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Волоконные лазеры

Японские специалисты в NADEX Laser R & D Center (Tsuruga) УСТАНОВИЛИ РЕКОРД - за один проход проплавили на волоконном 100-кВт-ке IPG нержавеющую сталь SUS 304 толщиной 100 мм ( 50 кВт) и 125 мм (70 кВт) в низком вакууме 0,1 Ра. В азоте, защитном газе, глубина проплавления – 40 и 38 мм со скоростью 2 и 3 м/мин соответственно. Диаметр фокальной точки составлял 1 мм / WHAT's new with 100 kW fiber lasers ?// Industrial Laser Solutions.-2015, №1 Jan/Feb.- Р.2 URL: http//www.industrial-lasers.com, 05/03/2015 Ред.: А.Игнатов

Fiber lasers / Волоконные лазеры от АКАДЕМИИ GOOGLE

[PDF] Incoherently pumped high-power linearly-polarized single-mode random fiber laser: experimental investigations and theoretical prospects J Xu, Z Lou, J Ye, J Wu, J Leng, H Xiao, H Zhang… - arXiv preprint arXiv: …, 2017 Abstract: We present a hundred-watt-level linearly-polarized random fiber laser (RFL) pumped by incoherent broadband amplified spontaneous emission (ASE) source and prospect the power scaling potential theoretically. The RFL employs half-opened cavity ...

Tunable Multi-wavelength Fiber Laser Using Polarization and Wavelength Dependent Loss N Chandra, A Jain - Photonic Networks and Devices, 2015 Continuously tunable multi-wavelength pulsed fiber lasers are attractive for several applications like wavelength divi- sion multiplexed (WDM) systems, fiber sensors, and as optical clocks [1]. Many techniques have been investigated for achieving simultaneously ...

Compact polarization-maintaining 2.05-μm fiber laser at 1-MHz and 1-MW peak power H Hoogland, R Holzwarth - Optics Letters, 2015 Abstract We report on a compact all-polarization-maintaining 2.05-μm chirped pulse fiber amplifier system emitting pulses at up to 1-MW peak power level at 371-fs pulse duration. The seed pulse repetition rate provided by an inhouse-built oscillator is reduced to around ...

… and ex vivo coherent anti‐stokes raman scattering microscopy to study the effect of obesity to fibroblast cell function using an Yb‐fiber laser‐based CARS extension … D Haluszka, K Lőrincz, G Molnár, G Tamás, A Kolonics… - Microscopy Research and …, 2015 ABSTRACT Nonlinear microscopy techniques are being increasingly used to perform in vivo studies in dermatology. These methods enable us to investigate the morphology and monitor the physiological process in the skin by the use of femtosecond lasers operating ...

Effects of a paraxial TIG arc on high-power fiber laser welding JL Zou, SK Wu, RS Xiao, F Li - Materials & Design, 2015 Abstract In this study, the effects of a paraxial tungsten-inert gas (TIG) arc on the high-power fiber laser welding process were investigated by measuring plume behavior, plume temperature, weld depth, and the particles in the plume. The experimental results ...

High power single mode fiber pump laser systems at 980 nm V Gapontsev, I Samartsev - US Patent 9,088,131, 2015 Abstract: A high power pump ultra bright low-noise source is configured with a multimode (“MM”) seed source outputting a MM smooth, low-noise signal light at a wavelength λp in a wavelength range between about 900 and 940 nm, a MM Yb fiber wavelength converter ...

High-energy harmonic mode-locked 2 μm dissipative soliton fiber lasers N Yang, Y Tang, J Xu - Laser Physics Letters, 2015 Abstract High-pulse-energy harmonic mode-locking in 2 μm Tm-doped fiber lasers (TDFLs) is realized, for the first time, by using a short piece of anomalous dispersion gain fiber and the dissipative soliton mode-locking mechanism. Appropriately designing the cavity ...

Burst-mode operation of a 655GHz mode locked laser based on an 11-th order microring resonator A Pasquazi, KS Kang, V Ho, M Peccianti, A Cooper… - … Photonics Research, Silicon …, 2015 ... Fig. 2. Schematic of the passively mode locking optical fiber laser using a feedback ring configuration, including an EDFA, a tunable filter, a polarization controller, a 11-order microring resonator and a 99:1 ratio coupler. 2. Results ...

DESIGN OF CRYSTAL ORIENTATION AND MORPHOLOGY BY LASER PATTERNING IN GLASSES. T Komatsu, T Honma, K Shinozaki - Journal of Chemical Technology & Metallurgy, 2015 ... The glasses were mechanically polished to a mirror finish with CeO2 powders and then irradiated by cw Yb:YVO4 fiber laser (beam shape: single mode and ±1 nm bandwidth) with λ = 1080 nm using objective lens (magnification: 50 times, numerical aperture: NA = 0.8). ...

Efficient Raman frequency conversion of high‐power fiber lasers in diamond RJ Williams, J Nold, M Strecker, O Kitzler, A McKay… - Laser & Photonics Reviews, 2015 Abstract We report high-power frequency conversion of a Ybdoped fiber laser using a double-pass pumped external-cavity diamond Raman oscillator. Pumping with circular polarization is shown to be efficient while facilitating high-power optical isolation between ...

Saturable and two-photon absorption in zinc nanoparticles photodeposited onto the core of an optical fiber. P Zaca-Morán, R Ramos-Garcia, JG Ortega-Mendoza… - Optics express, 2015 ... Such TPA makes ZnNPs a candidate for optical limiting applications, and SA makes them a candidate for applications in pulsed fiber laser systems. Read Article at publisher's site. How does Europe PubMed Central derive its citations network? Show all items. Show all items. ...

Ultrafast Spectrally-Efficient TDM Multiplexing/Demultiplexing Schemes Using Orthogonality in Coherent Optical Nyquist Pulses M Nakazawa - Signal Processing in Photonic Communications, 2015 ... On the transmitter side, a 10 GHz coherent Nyquist pulse train with α = 0 was generated from an acetylene (13C2H2) frequency-stabilized CW fiber laser, followed by optical comb generation using a dual-drive LiNbO3 (LN) Mach-Zehnder modulator and a programmable optical ...

Erbium nanoparticle doping for high power fiber lasers C Baker, EJ Friebele, C Askins, J Fontana, M Hunt… - Novel Optical Materials and …, 2015 ... In order to transition from an erbium doped fiber for telecommunications to a high energy fiber laser, the concentration of laser active Er3+ ions in the preform must be greatly increased. This presents some problems; in spite ...

Fiber‐based laser speckle imaging for the detection of pulsatile flow C Regan, BY Yang, KC Mayzel, JC Ramirez‐San‐Juan… - Lasers in Surgery and …, 2015 Results With our approach, we observed in vitro the presence of pulsatile flow at different simulated heart rates. We characterized simulated heart rate with an accuracy of and> 98%. In the in vivo proof-of-principle experiment, we measured heart rates of 69, 90, and 57 ...

Fifth Asia-Pacific Optical Sensors Conference B Lee, SB Lee, Y Rao - Proc. of SPIE Vol, 2015 ... 9655 04 Distributed feedback fiber laser for sub-nanostrain-resolution static strain measurement by use of swept beat-frequency demodulation [9655-56] ... 9655 0W Fiber optic flowmeter based on distributed feedback fiber laser [9655-289] ...

Highly efficient passively Q-switched solid-state 2 μm laser with monolayer Graphene C Luan, K Yang, J Zhao, S Zhao, G Li, D Li, T Li… - Optical and Quantum …, 2015 ... Optik 119, 230–235 (2008)ADSView Article; Luo, ZQ, Zhou, M., Weng, J., Huang, G., Xu, HY, Ye, CC, Cai, ZP: Graphene-based passively Q-switched dual-wavelength erbium-doped fiber laser. Opt. Lett. 35, 3709–3711 (2010 ...

D-shaped Polymer Optical Fiber Bragg Grating for Bend Sensing X Hu, X Chen, C Liu, P Mégret, C Caucheteur - Optical Sensors, 2015 ... This fiber was subject to laser ablation. ... We have successfully photo-inscribed FBGs in the D-shaped fiber using UV laser at 325 nm and phase mask technique. Bend sensors were achieved with a sensitivity of -28.2 pm/m-1. ...

Good guess functions for MATLAB BVP Solvers in multipoint pumping Yb 3+-doped fiber lasers X Hu, T Ning, L Pei, Q Chen, J Li, C Zhang - Optik-International Journal for Light and …, 2015 ... Keywords. guess functions; multipoint pumping ;Yb 3+ -doped fiber; fiber laser; MATLAB BVP Solvers. Note to users: Accepted manuscripts are Articles in Press that have been peer reviewed and accepted for publication by the Editorial Board of this publication. ...

Laser steering using virtual trifocal visual servoing N Andreff, B Tamadazte - The International Journal of Robotics Research, 2015 ... device, the two cameras will be replaced by fiber optic bundles (50 K fibers for each) which provide two stereoscopic images of the vocal folds onto a high-speed (10,000 frames per second) complementary metal oxide semi-conductor camera. Indeed, the laser surgery operates ...

Passive mode-locking of transform-limited hundred-ps long pulses using an integrated nonlinear microring resonator C Reimer, M Kues, B Wetzel, P Roztocki, BE Little… - … Photonics Research, Silicon …, 2015 ... Phys. B 58, 159-170 (1994). [2] DJ Richardson et al., “Selfstarting, passively modelocked erbium fiber laser based on the amplifying Sagnac switch,” Electron. Lett. 27, 542-544 (1991). ... [9] AB Grudinin et al., “Energy quantization in a figure 8 fiber laser,” Electron. Lett. ...

[HTML] О системах подачи рабочего вещества в импульсных лазерных микроинжекторах ИА Гайворонский, ЮВ Анищенко - Наука, техника и образование, 2015 ... На современном этапе исследований, с созданием мощных и компактных лазерных источников (волоконные и диодные лазеры), одной из ... покрытие из рабочего вещества (Рис.5). 1 - источник питания лазера, 2 - диодный полупроводниковый лазер, 3 - линза, 4 ...

25 07 2015 Fiber lasers / Волоконные лазеры от GOOGLE

Simple all-PM-fiber laser mode-locked with a nonlinear loop mirror J Szczepanek, TM Kardaś, M Michalska, C Radzewicz… - Optics Letters, 2015 Abstract In this Letter, we present a figure-eight all-PM-fiber laser oscillator design with a nonlinear optical loop mirror as an artificial saturable absorber. Unlike previous constructions using the same mode-locking technique, our cavity is constructed entirely of ...

[HTML] Dynamics of a Dispersion-Managed Passively Mode-Locked Er-Doped Fiber Laser Using Single Wall Carbon Nanotubes N Nishizawa, L Jin, H Kataura, Y Sakakibara - Photonics, 2015 Abstract: We investigated the dynamics of a dispersion-managed, passively mode-locked, ultrashort-pulse, Er-doped fiber laser using a single-wall carbon nanotube (SWNT) device. A numerical model was constructed for analysis of the SWNT fiber laser. The initial process ...

First experimental investigation of the amplification of a Yb-doped fiber laser pumped with 1000 and 1014-nm laser diodes X Wang, Q Xiao, D Li, J Sun, M Gong, P Yan - Optical Review, 2015 Abstract We present two preliminary experimental investigations of the amplification of a 1064-nm master oscillation power amplification configuration ytterbium-doped double-clad fiber laser pumped with two new-wavelength pump sources, namely 1000 and 1014-nm ...

The Study of Growth Few-Mode and Single-Mode Cr4+: YAG Crystal Fibers with High-Index Cladding GL Cheng - 2015 ... In the gain measurement, the Yb-doped fiber laser at wavelength of 1064nm was employed as the pump beam and a tunable laser 1400nm was the signal beam. The FMCDCCF exhibited a gross gain of 4.1 dB at the pump power about 400 mW by double pumping. ...

High-repetition rate passively Q-switched Ho: YLF laser with graphene as a saturable absorber B Yao, X Li, Z Cui, T Dai, S Bai, H Yang, X Duan, Y Ju - Optical Engineering, 2015

Laser cleaning of sulfide scale on compressor impeller blade QH Tang, D Zhou, YL Wang, GF Liu - Applied Surface Science, 2015 ... oxidization. • It would avoid chemical waste and dust pollution using a fiber laser instead of using nitric acids or sandblasting. Abstract. Sulfide scale ... Specimens were irradiated with pulsed fiber laser (1064 nm). The following parameters ...

[HTML] Acousto-optic pulse picking scheme with carrier-frequency-to-pulse-repetition-rate synchronization O de Vries, T Saule, M Plötner, F Lücking, T Eidam… - Optics Express, 2015 ... Rev. Lett. 80(5), 976–979 (1998). [CrossRef]; V. Malka, J. Faure, YA Gauduel, E. Lefebvre, A. Rousse, and KT Phuoc, “Principles and applications of compact laser–plasma accelerators,” Nat. Phys. 4(6), 447–453 (2008). ... crystal fiber stages,” Opt. Lett. 40(7), 1238 (2015). ...

[HTML] Few-cycle laser pulses generation with frequency tuning in a molecular gas-filled hollow-core fiber Z Huang, D Wang, Y Leng, Y Dai - Optics Express, 2015 Abstract We study theoretically a pulse compression method with gas-filled hollow-core fiber based on ultrafast molecular phase modulation. The simulation results show the molecular phase modulation can impart a positive or negative chirp on probe pulse and tune the ...

Research on the fiber dispersion and compensation in large-scale high-resolution broadband frequency-modulated continuous wave laser measurement system X Xu, G Liu, B Liu, F Chen, Z Zhuang, Y Gan, C Lu - Optical Engineering, 2015 Abstract. The influence of a fiber dispersion calibration interferometer on the measurement results for a large-scale high-resolution broadband frequency-modulated continuous wave (FMCW) measurement system was studied. A model was constructed to simulate the ...

[PDF] Low-spatial-coherence broadband fiber source for speckle free imaging B Redding, P Ahmadi, V Mokan, M Seifert, MA Choma… - arXiv preprint arXiv: …, 2015 ... The XLMA fiber was optically pumped using two 20W laser diodes operating at λ=915 nm. A fiber combiner was used to couple the output beams from the two pump diodes into the pump core of a 4.4 meter long piece of XLMA fiber, as shown schematically in Fig. ...

An industrial approach of laser polishing with different laser sources E Ukar, A Lamikiz, F Liébana, S Martínez, I Tabernero - Materialwissenschaft und …, 2015 ... A series of experimental tests were also carried out to determine the viability of laser polishing of GGG70L cast iron. The tests were performed using a 1 kW fiber laser FL010 ROFIN guided by an optical fiber that provides a beam diameter of 100 microns to focus. ...

Dynamics and statistics of noise-like pulses in modelocked lasers GM Donovan - Physica D: Nonlinear Phenomena, 2015 ... f:C N →C N f : C N → C N. where each iteration of the map corresponds to a single round trip of the laser cavity. ... the governing equations are given by the NLS with saturating gain equation(1). i ∂ u ∂ z + D 2 ∂ 2 u ∂ t 2 + γ | u | 2 u = G ( z ) u. for propagation in the fiber, where ...

Selective monostability in multi-stable systems R Sevilla-Escoboza, AN Pisarchik, R Jaimes-Reátegui… - Proc. R. Soc. A, 2015 ... The efficiency of the method is demonstrated in both a non-autonomous multi-stable laser with coexisting periodic orbits and an autonomous Rössler-like oscillator with coexisting chaotic attractors. ... (a) Multi-stable fibre laser with coexisting periodic orbits. ...

[HTML] On-chip visible-to-infrared supercontinuum generation with more than 495 THz spectral bandwidth JP Epping, T Hellwig, M Hoekman, R Mateman… - Optics Express, 2015 ... Note the Boolean sign must be in upper-case. Example: (diode OR solid-state) AND laser [search contains "diode" or "solid-state" and laser]; Example: (photons AND downconversion) - pump [search contains both "photons" and "downconversion" but not "pump"]. ... fiber,” Rev. ...

ManuscriptCondition Monitoring of High Voltage Transformers using Fiber Bragg Grating Sensor B Sarkar, C Koley, NK Roy, P Kumbhakar - Measurement, 2015 ... Laser source: It is a fiber pigtailed type Laser source with center frequency of 1550 nm manufactured by THORLABS (model no. LPS-1550-FC). Optical Fiber: The core and cladding diameter of the optical fiber are 8.2 μm and 125 μm, respectively. ...

Comparative study on upconversion luminescence and temperature sensing of α-and β-NaYF 4: Yb 3+/Er 3+ nano-/micro-crystals derived from a microwave-assisted … L Tong, X Li, R Hua, X Li, H Zheng, J Sun, J Zhang… - Journal of Luminescence, 2015 ... The UCL spectra were obtained by a Hitachi F-4600 fluorescent spectrometer pumped by a power-adjustable 980 nm fiber laser with maximum output power of 2 W. The temperatures of the studied samples were controlled by a sample temperature controlling system DMU-TC ...

[HTML] Versatile preparation of ultrathin MoS 2 nanosheets with reverse saturable absorption response R Wei, H Zhang, X He, Z Hu, X Tian, Q Xiao, Z Chen… - Optical Materials Express, 2015 ... J. Du, Q. Wang, G. Jiang, C. Xu, C. Zhao, Y. Xiang, Y. Chen, S. Wen, and H. Zhang, “Ytterbium-doped fiber laser passively mode locked by few-layer Molybdenum Disulfide (MoS2) saturable absorber functioned with evanescent field interaction,” Sci. Rep. 4, 6346 (2014). ...

Laser Beam Welding of Borated Stainless Steel D Drimal, F Kolenic - Applied Mechanics and Materials, 2015 ... The experiments were performed on borated stainless steel AISI 304 B6B with boron content 1.74 % wt. Weld joints were prepared by laser beam welding using fiber laser generator and examined by optical and electron microscopy. ...

[HTML] Notched Long-Period Fiber Grating with an Amine-Modified Surface Nanostructure for Carbon Dioxide Gas Sensing JW Wu, CC Chiang - Materials, 2015 ... Opt. Lett. 2009, 34, 1726–1728. [Google Scholar] [CrossRef] [PubMed]; Wang, YP; Wang, DN; Jin, W. CO 2 laser-grooved long period fiber grating temperature sensor system based on intensity modulation. Appl. Opt. 2006, 45, 7966–7970. ...

Heterodyne laser frequency stabilization for long baseline optical interferometry in space-based gravitational wave detectors J Eichholz, DB Tanner, G Mueller - Physical Review D, 2015 ... spacecraft (SC). Most of the primary laser power is sent out to the far SC, and a smaller fraction is sent to the other OB through the bidirectional backlink fiber, which also carries the secondary local laser to this OB. The received ...

[PDF] АНАЛИЗ ИНФОРМАТИВНЫХ ПРИЗНАКОВ ОБЪЕКТА ОБНАРУЖЕНИЯ, РАСПОЛОЖЕННОГО НА ФОНЕ ОТРАЖАЮЩЕЙ ПОВЕРХНОСТИ АГ Батурин - ИНТЕРЭКСПО ГЕО-СИБИРЬ, 2015 ... ГГц), на котором также будет наблю- даться доплеровский сдвиг частоты, успешно решена в волоконно-оптических линиях ... сопряжена со значительными трудностя- ми, что связано с высоким значением тока накачки лазерного диода. ... Основы лазерной техники. ...

[PDF] ИССЛЕДОВАНИЕ ПРОЦЕССА СЕЛЕКТИВНОГО ЛАЗЕРНОГО СПЕКАНИЯ ТИТАНОВОГО ПОРОШКА ПН Килина ... SLM 50 в защитной атмосфере аргона под действием волоконного лазера мощностью 250 ... излучения, время выдержки, мощность лазера, частота импульсов, скорость сканирования ... спекания Realizer SLM 50, оснащенной волоконным лазером мощностью 100 ...

23 07 2015 Fiber lasers / Волоконные лазеры от GOOGLE

Liquation Cracking in Fiber Laser Welded Joints of Inconel 617 W Ren, F Lu, R Yang, X Liu, Z Li - Journal of Materials Processing Technology, 2015 Abstract Liquation cracking in the fiber laser welding Inconel 617 joint under different heat input and preheating conditions was systemically investigated. Liquation cracking is prevalent in the necking region of the welded fusion zone. The liquation of the grain ...

High photon flux XUV and soft x-ray sources enabled by high harmonic generation of high power fiber lasers J Rothhardt, S Hädrich, M Krebs, J Limpert… - International Conference on …, 2015 ... focusing is possible if the target gas is provided with adequate density [4]. Moreover, the high gas density fully compensates for the small interaction volume and enables conversion efficiencies close to 10-5 [5].Thus, the combination of Yb-based fiber laser systems, external ...

Modeling and experimental analysis of fiber laser offset welding of Al-Ti butt joints G Casalino, M Mortello - The International Journal of Advanced Manufacturing …, 2015 Abstract In spite of great potentiality in aircraft and automotive industries, dissimilar joining of hybrid Al-Ti structures is often challenging because of the unavoidable formation of brittle intermetallic compounds, mixing of molten phases, and large differences in material ...

An optimization of Raman effects in tandem-pumped Yb-doped kilowatt fiber amplifiers T Zhang, Y Ding, Z Liu, W Gong - International Conference on Optical and Photonic …, 2015 ... abstract. Kilowatt Ytterbium-doped fiber laser is found widespread application in medical technology, industry and military areas. ... Furthermore, an optimization of Raman effects is discussed, which provides a solid foundation for achieving a higher fiber laser output. ...

Photosensitivity study of GeS2 chalcogenide glass under femtosecond laser pulses irradiation A Ayiriveetil, T Sabapathy, AK Kar, S Asokan - International Conference on Optical …, 2015 ... Single scan and multi scan waveguides are inscribed in GeS 2 glasses of length 0.65 cm using a master oscillator power amplifier Yb doped fiber laser (IMRA μjewel D400) with different pulse energy and translation speed. ...

Development of Laser Processing Robot Integrated System Solution (LAPRISS) for Remote Laser Welding JB Wang, T Nakagawa, Y Mukai, H Nishimura… - … Welding, Intelligence and …, 2015 ... 1 Introduction Due to the emergence of high power, high beam quality and high efficiency solid state lasers (SSLs) like fiber laser (FBL) and thin disk laser (TDL) about ten years ago [1, 2], laser welding (LW) becomes more and more popular in manufacturing industries such as ...

[HTML] Offset-free broadband Yb: fiber optical frequency comb for optical clocks T Nakamura, I Ito, Y Kobayashi - Optics Express, 2015 ... Abstract. We demonstrate a passively offset-frequency stabilized optical frequency comb centered at 1060 nm. The offset-free comb was achieved through difference frequency generation (DFG) between two portions of a supercontinuum based on a Yb:fiber laser. ...

A nonlinear optical loop mirror-based linear cavity swit-chable multi-wavelength erbium-doped fiber laser B HUANG, H MENG, H WANG, Q WANG, X ZHANG… - 2015 Abstract A nonlinear optical loop mirror (NOLM)-based linear cavity switchable multi- wavelength erbium-doped fiber (EDF) laser is proposed and experimentally demonstrated. Due to the characteristics of the intensity-dependent transmissivity, the NOLM can ...

Influence of Heat Input on the Performance of Joint with Filling Wire Laser Welding 5A06 Aluminum Alloy Y Yu, Y Xu, G Xu, A Chen, S Chen - … Welding, Intelligence and Automation: RWIA'2014, 2015 Influence of Heat Input on the Performance of Joint with Filling Wire Laser Welding 5A06 Aluminum Alloy Yangchun Yu, Yanling Xu, Guodong Xu, Ajing Chen and Shanben Chen Abstract 5A06 aluminum alloy sheets were welded using a 4 kW fiber laser with SAl-Mg5 filler. ...

Microstructure Formation and Precipitation in Laser welding of Microalloyed C-Mn Steel XN Wang, CJ Chen, HS Wang, SH Zhang, Z Min, X Luo - Journal of Materials …, 2015 A 4-kW fiber laser was adopted to weld nano-scale precipitate-strengthened C-Mn steel (NPS steel). Only martensite was found in the fusion zone (FZ), fusion lin. ... Abstract. A 4-kW fiber laser was adopted to weld nano-scale precipitate-strengthened C-Mn steel (NPS steel). ...

Research of Laser Hybrid Welding for T-Joint in the Box Girder YC Yu, K Bao, YL Xu, AJ Chen, HJ Zhang, SB Chen - Robotic Welding, Intelligence …, 2015 ... The chemical compositions of the base material and filler wire are listed in Table 1. Argon gas was used as shielding gas with a flow rate of 25 l/min. Experiments were carried out by YLR-8000 CW Ytterbium Fiber Laser and a digital arc welding power for robot. ... c Fiber laser ...

Mode division multiplexing of spiral-phased donut modes in multimode fiber A Amphawan, Y Fazea, H Ibrahim - International Conference on Optical and Photonic …, 2015 ... 10. D. Jiangli, and C. Kin Seng, "Mode-Locked Fiber Laser With Transverse-Mode Selection Based on a Two-Mode FBG," Photon. ... 10. D. Jiangli, and C. Kin Seng, "Mode-Locked Fiber Laser With Transverse-Mode Selection Based on a Two-Mode FBG," Photon. ...

Remote mid-infrared photoacoustic spectroscopy with a quantum cascade laser T Berer, M Brandstetter, A Hochreiner, G Langer… - Optics Letters, 2015 ... A room-temperature-operated pulsed external-cavity quantum cascade laser is used to excite photoacoustic waves within a semitransparent sample. The ultrasonic waves are detected remotely on the opposite side of the sample using a fiber-optic Mach–Zehnder interferometer ...

Optical fiber spectral attenuation measurement by using tunable laser sources to improve accuracy and uncertainty CH Seah, J Zhang, N Xiang - International Conference on Optical and Photonic …, 2015 abstract With reference to the IEC 60793-1-140 international standard of optical fibre measurement methods and test procedures in attenuation, we studied the optical fibre attenuation measurement by cut-back method using tuneable lasers source. By using a ...

An optical fiber sensing technique for temperature distribution measurements in microwave heating D Wada, J Sugiyama, H Zushi, H Murayama - Measurement Science and Technology, 2015 ... The FBG was inscribed into a single mode fiber (SR15) and coated with polyimide. ... If higher temperature is of interest, another type of FBGs, such as the one manufactured using high peak power pulsed ultraviolet laser source, is applicable at temperatures over 1000 °C [10]. ...

METHODS OF CHARACTERIZING PROCESSED OPTICAL FIBER ENDS USING SECOND-HARMONIC GENERATION M Chen, M Li, A Liu - US Patent 20,150,198,490, 2015 ... The stress in the optical fiber end section can be due to processing the optical fiber end using laser and/or mechanical means. ... As such, second harmonic generation (hereinafter, SHG) cannot be induced in the optical fiber by laser irradiation. ...

Ultra-broadband dual-comb spectroscopy across 1.0–1.9 µm S Okubo, K Iwakuni, H Inaba, K Hosaka, A Onae… - Applied Physics Express, 2015 ... The signal and local combs employ an erbium-based mode-locked fiber laser as the comb oscillator. It has an electrooptic modulator (EOM) for fast servo control 14 , 15 ) and a delay line for the tuning of f rep in the laser cavity. ...

… OF A VERNIER-TUNED DISTRIBUTED BRAGG REFLECTOR (VT-DBR) ALL-SEMICONDUCTOR TUNABLE SWEPT LASER SYSTEM AT 1550 NM FOR SENSING … M Biersach, R Christian - 2015 ... long term wavelength shift and consistency of the slope indicate that these sources will perform well in OCT and fiber sensing applications. Mechanisms responsible for short-term jitter and longer- term wavelength wander likely include contributions from the laser source itself ...

Tunable fiber confocal sensor with LED CJ Weng, TH Lan, CH Hwang, NN Chu, CY Huang… - International Conference on …, 2015 ... Confocal sensor systems with fiber optics were constructed in earlier papers [1]. The sensors are compact, small and low cost in construction because of the application of fiber optic. Another research used a diffractive optical element to apply multi- wavelength laser to confocal ...

[PDF] Synchronously pumped picosecond all-fibre Raman laser based on phosphorus-doped silica fibre S Kobtsev, S Kukarin, A Kokhanovskiy - 2015 ... 2. NS Kim, M. Prabhu, C. Li, J. Song, and K. Ueda, “1239/1484 nm cascaded phosphosilicate Raman fiber laser with CW output power of 1.36 W at 1484 nm pumped by CW Yb-doped double-clad fiber laser at 1064 nm and spectral continuum generation,” Opt. Commun. ...

[PDF] дн СССР. М.‚1989. ВЫП. 5. В ДИФРДКЦНОННОГО ... задач тазового управления распределе- Ниен энергии в пучке лазерного излучения. ... спектра и СДВИГ длини волны излучения п/п лазера, которые не ... ТРЕБОВдНИЯ К ЗЛЕНЕНТДМ ПЛЕС- КОЙ ОПТИКИ ДЛЯ КОМПОНЕНТОВ ВОЛОКОННО- ОПТИЧЕСКИХ СИСТЕМ ...

[PDF] МОЦАНЫ-ОПТИЧЕСКИЕ ЭЛЕМЕНТЫ ДЛЯ дНдЛИЗд И ФОРМИРОВИНИЯ ПОПЕРЕЧНО-ИОПОВОГО СОСТдЕд ЛдЗЕРНОГО ИЗЛУЧЕНИЯ ЭК ОПТИКИ ... Использование МОДАНОВ позволило провести ряд экспериментов с Градиентными волоконными световодами. ... использовались для разделения мод на выходе Гра' диентного волоконного световода, подвергнутого ... 2909. 6. Справочник по лазерам / ШЩШРЕД-А.М ...

21 07 2015 Fiber lasers / Волоконные лазеры от GOOGLE

Hyperspectral stimulated Raman microscopy with two fiber laser sources M Eibl, S Karpf, W Wieser, T Klein, R Huber - European Conferences on Biomedical …, 2015 abstract A fast all fiber based setup for stimulated Raman microscopy based on a rapidly wavelength swept cw-laser is presented. The applied Fourier domain mode locked (FDML) laser is a fiber ring laser, providing a continuously changing wavelength output over time. ...

Thulium fiber laser damage to the ureter CR Wilson, LA Hardy, PB Irby, NM Fried - European Conferences on Biomedical …, 2015 abstract Our laboratory is studying experimental thulium fiber laser (TFL) as a potential alternative lithotripter to the clinical gold standard Holmium: YAG laser. Safety studies characterizing undesirable Holmium laser-induced damage to ureter tissue have been ...

Fabrication and laser performance of Yb 3+/Al 3+ co-doped photonic crystal fiber synthesized by plasma nonchemical vapor deposition method C Xia, G Zhou, J Liu, C Wang, Y Han, W Zhang, J Yuan - Optical Fiber Technology, 2015 Abstract In this paper, the bulk Yb 3+/Al 3+ co-doped silica glass with 1.3 Yb 2 O 3–2.5 Al 2 O 3–96.2 SiO 2(wt%) are synthesized by plasma nonchemical vapor deposition method combining solution doping technology, where the inductively coupled plasma is used as ...

High-power passively mode-locked dissipative soliton fiber laser featuring cladding-pumped non-CVD thulium-doped fiber DA Gaponov, R Dauliat, D Darwich, T Mansuryan… - JOSA B, 2015 Abstract We are reporting on the characterization of a thulium-doped fiber laser applying new powder technology in the mode-locking regime. A high average output power of 185 mW at a repetition rate of 9 MHz was achieved directly from the oscillator, which resulted ...

Comparison of four lasers (λ= 650, 808, 980, and 1075 nm) for noninvasive creation of deep subsurface lesions in tissue CH Chang, CR Wilson, NM Fried - European Conferences on Biomedical Optics, 2015 ... subsurface thermal lesions. Laser energy from three diode lasers (650, 808, and 980 nm) and a Ytterbium fiber laser (1075 nm) was delivered through a custom built, side-firing, laser probe with integrated cooling. An alcohol-based ...

Broadband time-resolved diffuse optical spectrometer for clinical diagnostics: characterization and in-vivo measurements in the 600-1350 nm spectral range SKV Sekar, A Farina, E Martinenghi, A Dalla Mora… - European Conferences on …, 2015 ... Fiber laser sy Fully Automated TCSPC _lInGaAs_PMT- Drift and Distortion compensation Strategy ... The source is provided by a photonic crystal based supercontinuum fiber laser (SC450, Fianium,UK) with 6 W overall power over a spectral range 450-1750 nm. ...

Laser-diode-based photoacoustic setup to analyze Grüneisen relaxation-effect induced signal enhancement M Cherkashin, C Brenner, L Göring, B Döpke… - European Conferences on …, 2015 ... 905 nm laser diode is coupled into an arm of the fiber bundle to illuminate the sample in the water tank. ... But the nJ range pulse energies required for the case of photoacoustic microscopy are available at the output of our single-mode fiber coupled laser diodes. ...

Effective damping constant and perpendicular anisotropy of GdFeCo/TbFe exchange coupled bilayer T Higashide, B Dai, D Oshima, T Kato, S Iwata… - … (INTERMAG), 2015 IEEE, 2015 ... The Gil- bert damping a of the bilayer was evaluated from the decaying magnetization precession monitored by the TRMOKE using a high power fiber laser with a wavelength of 1050nm, a pulse width of 500 fsec, and a repetition frequency of 100kHz . ...

Nanosecond two-photon excitation fluorescence imaging with a multi color fiber MOPA laser S Karpf, M Eibl, R Huber - European Conferences on Biomedical Optics, 2015 abstract A system is presented that uses a fiber based Master Oscillator Power Amplifier (MOPA) with nanosecond-range pulses for two-photon excitation fluorescence (TPEF) imaging. The robust laser in the extended near infrared is based on an actively modulated ...

Ultrafast laser ablation for targeted atherosclerotic plaque removal T Lanvin, DB Conkey, L Descloux, A Frobert, J Valentin… - European Conferences on …, 2015 ... Figure 1(a)) and for initial ablation tests with a catheter probe prototype (Figure 1(b)). A beam from a 1030nm fiber laser (Satsuma HP2, Amplitude Systèmes) with tunable pulse width, repetition rate, and pulse energy provided high-energy, ultrafast laser input to the system. ...

Fusion energy using avalanche increased boron reactions for block-ignition by ultrahigh power picosecond laser pulses H Hora, G Korn, L Giuffrida, D Margarone, A Picciotto… - Laser and Particle Beams, 2015 ... lateral energy losses of the plane Fusion energy for block-ignition by ultrahigh power ps laser pulses 7 Page 8. wave front geometry of the ICAN fiber laser (Mourou et al., 2013) to be developed into spherical geometry (Hora

Effect of Pulse Length on Engraving Efficiency in Nanosecond Pulsed Laser Engraving of Stainless Steel M Manninen, M Hirvimäki, I Poutiainen, A Salminen - Metallurgical and Materials …, 2015 ... Ytterbium fiber laser with pulse lengths from 4 to 200 ns was used at a constant average power of 20 W. Measured criteria for effective laser engraving were high material removal rate (MRR), good visual quality of the engraved surface, and low processing temperature. ...

Microstructure and deformation behaviour of laser welded dissimilar dual phase steel joints D Dong, Y Liu, L Wang, Y Yang, D Jiang, R Yang… - Science and Technology of …, 2015 ... Microstructure and deformation behaviour of laser welded dissimilar dual phase steel joints. ... 6,7. Laser welding process is very well used in modern technology, for example, in automotive industry besides resistance spot welding, with regard to other welding process. ...

Endovenous laser therapy for occlusion of incompetent saphenous veins using 1940nm R Sroka, T Pongratz, A Esipova, S Dikic, S Demhasaj… - European Conferences on …, 2015 ... The emission wavelength of the Thulium-fiber laser at 1940nm coincides with a local absorption maximum of water with minimal absorption by hemoglobin. This investigation on 1940nm-ELT should prove the effectivity, safety and patient comfort. 2. MATERIAL AND METHODS ...

Effect of Ta interlayer on laser welding of NiTi to AISI 316L stainless steel CH Ng, ESH Mok, HC Man - Journal of Materials Processing Technology, 2015 ... 2.2. Laser Welding. Laser welding was performed using a 100-W CW fiber laser (SP-100C-0013, SPI and A&P Co., Ltd) with a wavelength of 1091 nm, in the butt-joint mode. Laser welding was carried out in a self-constructed fixture as schematically shown in Figure 1. ...

A theoretical and experimental study on laser-induced deterioration in wet grinding of Al2O3 engineering ceramic XH Zhang, ZH Deng, GY Chen, YH Ren, LL Wan, W Liu… - The International Journal of …, 2015 ... posed. A pulsed fiber laser was used to structure the micro-topography of single pulse-inducing crater. An ... ceramic. A compact pulsed ytterbium-doped fiber laser (model: YLP-1/120/100/100-HC) was adopted in the ex- periment. This ...

Design and Characteristics of Dual-Core Photonic Crystal Fiber Doppler Differential Velocimeter X Huang, S Li, G Zheng, G Zhao, J Xu, W Wang - International Journal of …, 2015 ... Meas. Sci. Technol. 2001, 12, 909–913. [Web of Science ®] View all references ] By comparison, the key advantages of the Doppler difference configuration include: [ 9 9. Charrett, TOH; James, SW; Tatam, RP Optical fiber laser velocimetry: a review. Meas. Sci. Technol. ...

Tomographic phase microscopy using optical tweezers M Habaza, B Gilboa, Y Roichman, NT Shaked - European Conferences on …, 2015 ... For HOTs, a light beam from an Ytterbium-doped fiber laser (Keopsys, KPS-KILAS-TRAPP 1083-20-PM-CO, wavelength 1083 nm, maximal power 20 W) expands through lenses L1 (f = 5 cm) and L2 (f = 50 cm) in order to cover the active area of a liquid-crystal spatial light ...

Semiconductor laser light source Y Hasegawa, M Futami, T Yoshihara - US Patent 9,083,136, 2015 ... JP2011243717, December, 2011, SEMICONDUCTOR LASER MODULE AND FIBER LASER USING THE SAME. ... In addition, when the alignment positioning of the lens for condensing the laser light beams from the LD chips 3 and the optical fiber is performed, as shown in FIG. ...

Fiber optic photoacoustic probe with ultrasonic tracking for guiding minimally invasive procedures W Xia, CA Mosse, RJ Colchester, JM Mari, DI Nikitichev… - European Conferences on …, 2015 ... Excitation light pulses at 1064 nm were delivered by a fiber coupled Nd:YAG laser (SPOT-10-500-1064, Elforlight, UK). Continuous-wave light was provided to the Fabry-P´erot cavity by a wavelength-tunable laser (Tunics T100S-HP CL, Yenista Optics, Proc. of SPIE Vol. ...

[PDF] ПРИНЦИПЫ ПОСТРОЕНИЯ ЛАЗЕРНЫХ КОМПЛЕКСОВ ДИСТАНЦИОННОГО ЭНЕРГОСНАБЖЕНИЯ НИЗКООРБИТАЛЬНЫХ КОСМИЧЕСКИХ АППАРАТОВ СВ Ивакин - ИНТЕРЭКСПО ГЕО-СИБИРЬ, 2015 ... и удобство эксплуатации в космическом пространстве демонстрируют волоконные и твердотельные ... последних особый интерес вызывают твердотельные лазеры, реализую- ... осуществляется на базе твердотельных (волоконных) лазеров и полупроводниковых ...

[HTML] УслоВИЯ соХРаНеНИЯ коГеРеНтНостИ лазеРНоГо ИзлУЧеНИЯ В ИзоГНУтом оПтИЧеском ВолокНе СН БАЗЫКИН, НА БАЗЫКИНА, ВА ВАСИЛЬЕВ… - Фундаментальные …, 2015 ... Keywords: the measuring system, coherence, lazer radiation, optical filament, reflected ... Ведутся интенсивные разработки в области создания волоконно-оптических лазерных ... Используя подход декомпозиции, луч лазера рассматривают как множество элементарно ...

[HTML] ГЕНЕРАЦИЯ ШИРОПОЛОСНОГО ТЕРАГЕРЦОВОГО ИЗЛУЧЕНИЯ В РЕЗОНАНСНЫХ ОРИЕНТИРОВАННЫХ ОРГАНИЧЕСКИХ СРЕДАХ СЛ Микерин, АИ Плеханов, АЭ СИМАНЧУК… - ИНТЕРЭКСПО ГЕО- …, 2015 ... ВЫДЕЛЕНИЯ ВОДОРОДА ИЗ ДИЭЛЕКТРИЧЕСКОЙ ЖИДКОСТИ МЕТОДОМ ЛАЗЕРНОЙ СПЕКТРОСКОПИИ ... было параллельно плоскости поляризации лазерного излучения. ... с использованием второй гармоники фемтосекундного волоконного лазера // Автометрия ...

[HTML] ГИПЕРСПЕКТРАЛЬНЫЕ ВИДЕОАНАЛИЗАТОРЫ НА ОСНОВЕ ЭЛЕКТРОУПРАВЛЯЕМЫХ ИНТЕРФЕРОМЕТРОВ ФАБРИ-ПЕРО ВВ Чесноков, ДВ Чесноков, ДВ КОЧКАРЕВ… - ИНТЕРЭКСПО ГЕО- …, 2015 ... Читайте также. РАСШИРЕНИЕ ДИАПАЗОНА ИЗМЕРЕНИЙ ВОЛОКОННО-ОПТИЧЕСКИХ СЕНСОРОВ НА ОСНОВЕ ... Читайте также. ПРОБЛЕМЫ ФОРМИРОВАНИЯ НАНОРАЗМЕРНЫХ ЭМИССИОННЫХ СЛОЕВ НА ХОЛОДНОМ КАТОДЕ ГАЗОРАЗРЯДНОГО ЛАЗЕРА ...

[PDF] ББК: У05 О НАУЧНО-ИССЛЕДОВАТЕЛЬСКИЕ, ИОКТ РАБОТЫ ... Сырья и материалов на разработку двухмикронного лазера было потрачено в размере 110 000 руб., полуфабрикатов – 23 000 руб., спецоснастки – 9 000 руб., спецодежды ... планирует проведение НИОКР по разработке волоконно- оптических кабелей связи. ...

[PDF] Бактыбаева ДК, Юхнов ВЕ Прогнозирование стационарного теплового режима теплоприемника при воздействии тепловым излучением высокой … DK Baktybaeva, VE Yukhnov - Научный альманах ... М.: Пожнаука, 1998. C. 72-‐84. 7. Барышников НВ, Пискунов ТС Исследование влияния излучения рабочего лазера на работу систем автоюстировки высокоточных лазерных приборов. URL:/http://www.technomag.edu.ru/doc/241632. ...

18 07 2015 Fiber lasers / Волоконные лазеры от GOOGLE

[PDF] Yb-and Er-doped fiber laser Q-switched with an optically uniform, broadband WS2 saturable absorber M Zhang, G Hu, RCT Howe, L Chen, Z Zheng, T Hasan - arXiv preprint arXiv: …, 2015 Abstract: We demonstrate a ytterbium (Yb) and an erbium (Er)-doped fiber laser Q-switched by a solution processed, optically uniform, few-layer tungsten disulfide saturable absorber (WS2-SA). Nonlinear optical absorption of the WS2-SA in the sub-bandgap region, ...

Accelerated Osteogenic Differentiation and Bone Formation on Zirconia with Surface Grooves Created with Fiber Laser Irradiation Y Taniguchi, K Kakura, K Yamamoto, H Kido… - Clinical Implant Dentistry …, 2015 Background Modification of the surface topography of biomaterials is a critical factor for the proliferation and differentiation of osteoblasts. Elucidating the biological response to surface roughening is necessary for clinical application of zirconia implants. Purpose To ...

Comment on “GHz pulse train generation in fiber lasers by cavity induced modulation instability” S Wabnitz - Optical Fiber Technology, 2015 A recent invited paper (Tang et al., 2014) reports the experimental observation of the generation of stable pulse trains in a ring fiber laser with repetition r. ... Highlights. • Explaining the mechanism of GHz pulse train generation with variable repetition rates in a fiber laser. ...

Single frequency high-peak-power fiber laser by suppression of SBS S Wang, W Zheng, Y Deng, S Yan, J Xu, Y Tang - Laser Physics, 2015 Abstract We report a single frequency Yb-doped fiber laser with a high peak power at the wavelength of 1064 nm. The laser consists of a single-frequency diode seed and two amplifier stages. In the pre-amplifier, double-pass amplification is adopted by integrating a ...

[HTML] Dynamics of noise-like pulsing at sub-ns scale in a passively mode-locked fiber laser H Santiago-Hernandez, O Pottiez, M Duran-Sanchez… - Optics Express, 2015 Abstract We report an original noise-like pulse dynamics observed in a figure-eight fiber laser, in which fragments are continually released from a main waveform that circulates in the cavity. Particularly, we report two representative cases of the dynamics: in the first case ...

Optical, luminescent and laser properties of highly transparent ytterbium doped yttrium lanthanum oxide ceramics M Ivanov, Y Kopylov, V Kravchenko, J Li, Y Pan… - Optical Materials, 2015 ... 2. Experimental. 2.1. Synthesis. The ytterbium doped yttrium oxide (5, 5.5, 6 and 8 mol% Yb 3+ :Y 2 O 3 ) nanopowders with different contents of La 2 O 3 (10.5–13.5 mol%) used as a sintering aid were synthesized by material evaporation with an ytterbium fiber laser. ...

Development of a Novel Shock Wave Catheter Ablation System H Yamamoto, Y Hasebe, M Kondo, K Fukuda… - … International Symposium on …, 2015

[HTML] 8.5 W VECSEL output at 1270 nm with conversion efficiency of 59% ST Keller, A Sirbu, V Iakovlev, A Caliman, A Mereuta… - Optics Express, 2015 ... L. Fan, M. Fallahi, J. Hader, AR Zakharian, M. Kolesik, JV Moloney, T. Qiu, A. Schulzgen, N. Peyghambarian, W. Stolz, SW Koch, and JT Murray, “Over 3 W high-efficiency vertical-external- cavity surface-emitting lasers and application as efficient fiber laser pump sources,” Appl. ...

Effects of Laser Beam Width on the Diameter and Molecular Weight of Laser‐Electrospun Polylactide Fiber M Takasaki, K Morie, Y Ohkoshi, T Hirai - 繊維学会誌, 2015 Effects of spinning conditions (laser beam width, applied voltage, and laser power) on reduction of molecular weight by thermal degradation, fiber diameter, and its evenness were investigated for the laser‐heated electrospinning process of polylactide fiber webs. ...

[HTML] Polarization bistability associated with 4 F 3/2→ 4 I 11/2 and 4 F 3/2→ 4 I 13/2 transitions in Nd: YVO 4 laser with intra-cavity periodically poled lithium niobate Bragg … KG Hong, ST Lin, MD Wei - Optics Express, 2015 ... In a fiber laser reported in a previous study, the residual power used in a pump-bypassed Yb-doped fiber laser for pumping the other Er/Yb co-doped fiber achieved bistability corresponding to two gain media with wavelengths of 1.04 and 1.537 μm; however, polarization was ...

[HTML] Environmental-adaptability analysis of an all polarization-maintaining fiber-based optical frequency comb Y Feng, X Xu, X Hu, Y Liu, Y Wang, W Zhang, Z Yang… - Optics Express, 2015 ... KAIST demonstrated that the femtosecond fiber laser can overcome radiation induced attenuation in satellite operation [9]. Menlo Systems has also built a fiber-based frequency combs which can operate in outer space [10]. ...

[HTML] Supermode fiber for orbital angular momentum (OAM) transmission S Li, J Wang - Optics Express, 2015 ... [CrossRef] [PubMed]. 24. C. Jollivet, A. Mafi, D. Flamm, M. Duparré, K. Schuster, S. Grimm, and A. Schülzgen, “Mode-resolved gain analysis and lasing in multi-supermode multi-core fiber laser,” Opt. Express 22(24), 30377–30386 (2014). [CrossRef] [PubMed]. 25. ...

3D-imaging of selective laser melting defects in a Co–Cr–Mo alloy by synchrotron radiation micro-CT X Zhou, D Wang, X Liu, DD Zhang, S Qu, J Ma… - Acta Materialia, 2015 ... The SLM experiments were conducted on an AM250 laser melting machine (Renishaw, New Mill, UK) equipped with a SPI redPOWER 200 W ytterbium fiber laser (operating at 1071 nm) and focused at a 75 μm spot diameter. ...

[HTML] Phenomenological model of stochastic, spatiotemporal, intensity dynamics of stimulated Brillouin scattering in a two-mode optical fiber CR Armstrong, JA David, JR Thompson - Optics Express, 2015 ... characteristics of the test pulse [8]. Finally, Wabnitz recently reported a numerical study of the intensity and phase dynamics in a fiber laser in which the resulting patterns were plotted against a “slow time” related to the round trip time and a “fast time” related to the retarded time. ...

Near infrared ultrafast pump-probe spectroscopy with ZrF4-BaF2-LaF3-AlF3-NaF fiber supercontinuum S Fischbach, AV Gorbach, D Di Nuzzo, E Da Como - Applied Physics Letters, 2015 ... offers a unique material platform for fiber fabrication.12 In this letter, we report the demonstration of NIR pump- probe spectroscopy with a SC generated in a ZBLAN fiber. The experimental setup is based on a commercial Ti:sapphire femtosecond amplified laser which seeds an ...

Transoral Laser Microsurgery of Benign and Malignant Lesions M Bernal-Sprekelsen, I Vilaseca - 2015

Laser Assisted Electrical Contacting in Multifunctional GF/PP Composites N Schilling, N Wiegand, U Klotzbach - Materials Science Forum, 2015 ... Paper Title: Laser Assisted Electrical Contacting in Multifunctional GF/PP Composites. Abstract. The electrical contacting of an embedded sensoryarn in a unidirectional glass fiber polypropylene (GF/PP) composite realizedby laser processing was investigated. ...

Laser-Assisted Liposuction Using the Novel 1,444-nm Nd: YAG Laser for the Treatment of Gynecomastia: A Pilot Study KH Yoo, JM Bae, CY Won, YS Chung, B Goo, YK Rho… - Dermatology, 2015 ... the LAL. Furthermore, energy could be relatively great- er at the tip of the laser fiber, which is an extremely im- portant feature that enables safe use of this technology by preventing hematological discomfort. As public demand ...

Holographically encoded volume phase masks M SeGall, I Divliansky, C Jollivet, A Schülzgen… - Optical Engineering, 2015

Pulsed Laser Deposition of anatase thin films on textile substrates A Krämer, C Kunz, S Gräf, FA Müller - Applied Surface Science, 2015 ... Methanol conversion test were used to prove the photocatalytic activity of the coated carbon fibres. Keywords. Pulsed laser deposition; Q-switched CO 2 laser; Titania; Anatase; Carbon fiber fabric; Photocatalytic activity. 1. Introduction. ...

[HTML] ВОЛОКОННО-ОПТИЧЕСКИЙ ВИБРОМЕТР НА ОСНОВЕ ИНТЕРФЕРОМЕТРА МАЙКЕЛЬСОНА СН МАКАРОВ, ИС ГЛЕБУС - ИНТЕРЭКСПО ГЕО-СИБИРЬ, 2015 ... По волокну излучение попадает в волоконно-оптический смеситель. ... Вследствие модуляции, DFB лазер генерирует оптическое излучение с переменной ... В. Бесконтактный интерферометрический измеритель вибраций на основе волоконной оптики // Научный ...

[HTML] ДИФРАКЦИОННЫЕ ОПТИЧЕСКИЕ ЭЛЕМЕНТЫ ДЛЯ УПРАВЛЕНИЯ ПАРАМЕТРАМИ ЛАЗЕРНОГО ИЗЛУЧЕНИЯ И ПРЕЦИЗИОННОГО КОНТРОЛЯ ФОРМЫ … РК НАСЫРОВ, ВП КОРОЛЬКОВ, АГ ПОЛЕЩУК - ИНТЕРЭКСПО ГЕО-СИБИРЬ, 2015 ... С ПОМОЩЬЮ МНОГОКАНАЛЬНОГО АДАПТИВНОГО ВОЛОКОННО-ОПТИЧЕСКОГО ИНТЕРФЕРОМЕТРА ... из заданных условий (например, аберраций лазерного кристалла), а ... для преобразования излучения полупроводникового лазера, имеющего эллиптическую ...

[HTML] ОПТИЧЕСКИЕ МЕТОДЫ ЗОНДИРОВАНИЯ ДЛЯ НАГОЛОВНЫХ СРЕДСТВ ИЗМЕРЕНИЯ ПРОСТРАНСТВЕННЫХ ПАРАМЕТРОВ ПОВЕРХНОСТИ … ВИ Патерикин - ИНТЕРЭКСПО ГЕО-СИБИРЬ, 2015 ... ВОЛОКОННО-ОПТИЧЕСКИЕ КАБЕЛИ ДЛЯ ВОЛОКОННО-ОПТИЧЕСКИХ ДАТЧИКОВ БРОСТИЛОВ СЕРГЕЙ ... учитывают временные и поперечные параметры лазерного импульса, испускаемого ... системы, влияния на распространение луча лазера турбулентности и ...

[HTML] МИКРОВОЛНОВОДНЫЙ ОПТИЧЕСКИЙ ИНТЕРФЕРОМЕТР ЮНГА ДЛЯ СЕНСОРНЫХ СИСТЕМ ММ ВЕКШИН, ВА НИКИТИН, НА ЯКОВЕНКО… - ИНТЕРЭКСПО ГЕО- …, 2015 ... ВОЛОКОННО-ОПТИЧЕСКИЕ ДАТЧИКИ ДЛЯ ВНУТРИПОЛОСТНОГО ПРИМЕНЕНИЯ В МЕДИЦИНЕ КОРОЛЁВ В.А., ПОТАПОВ В.Т. ... В качестве источника излучения использовался гелий-неоновый лазер ЛГН-208. ...

[HTML] РАЗРАБОТКА ИНТЕРФЕРЕНЦИОННО-ГОЛОГРАФИЧЕСКОЙ ИК СИСТЕМЫ КОНТРОЛЯ ФОРМЫ ЦЕНТРАЛЬНОГО ПАРАБОЛИЧЕСКОГО ЗЕРКАЛА … ВМ МИХАЛКИН, ЛБ КАСТОРСКИЙ, АГ ВЕРХОГЛЯД… - ИНТЕРЭКСПО ГЕО- …, 2015 ... ПОЛЕЙ С ПОМОЩЬЮ МНОГОКАНАЛЬНОГО АДАПТИВНОГО ВОЛОКОННО-ОПТИЧЕСКОГО ИНТЕРФЕРОМЕТРА ... 5. Погрешность длины волны СО2 лазера интерферометра. ... В качестве источника излучения используется стабилизированный СО2 лазер [6], а в ...

[PDF] ВОЛОКОННО-ОПТИЧЕСКИЙ ВИБРОМЕТР НА ОСНОВЕ ИНТЕРФЕРОМЕТРА МАЙКЕЛЬСОНА ИС Глебус, СН Макаров ... По волокну излучение попадает в волоконно-оптический смеситель. ... Вследствие модуляции, DFB лазер генерирует оптическое излучение с переменной ... В. Бесконтактный интерферометрический измеритель вибраций на основе волоконной оптики // Научный ...

[HTML] ОСОБЕННОСТИ УЧЕТА ЗАТРАТ НА НАУЧНО-ИССЛЕДОВАТЕЛЬСКИЕ И ОПЫТНО-КОНСТРУКТОРСКИЕ (ТЕХНОЛОГИЧЕСКИЕ) РАБОТЫ НФ КОЛЕСНИК, АЮ КОСТРОМИНА, АА ЛЯБУШЕВА - … УНИВЕРСИТЕТА ИМ. ВН …, 2015 ... Сырья и материалов на разработку двухмикронного лазера было потрачено в размере 110 000 руб., полуфабрикатов - 23 000 руб., спецоснастки - 9 000 руб., спецодежды - 10 ... планирует проведение НИОКР по разработке волоконно-оптических кабелей связи. ...

[DOC] Наименование тем 1а. Гироскопические системы ориентации З кафедрой ПБС___________, ЛА Мельников ... Схема и принцип действия ЛГ. Волоконно-оптические гироскопы. Схема и принцип действия. ... Гировертикаль с радиальной коррекцией. Схема и физические основы работы ГВ на основе классического гироскопа, лазерного гироскопа и других новых гироскопов. ...

16 07 2015 Fiber lasers / Волоконные лазеры от GOOGLE

TUNABLE MID-IR FIBER LASER FOR NON-LINEAR IMAGING APPLICATIONS R Salem, P Fendel, A Cable - US Patent 20,150,192,768, 2015 Abstract: A microscopy system, including: a mode-locked fiber laser configured to output a pulse having a center wavelength; a nonlinear waveguide configured to shift the wavelength of the pulse from the mode-locked fiber laser; a fiber amplifier configured to amplify the ...

[HTML] 400 mW narrow-linewidth Tm-doped silica fiber laser output near 1750nm with volume Bragg grating Z Quan, C Gao, H Guo, N Wang, X Cui, Y Xu, B Peng… - Scientific Reports, 2015 A type of Tm-doped silica fiber laser with narrow-linewidth and output wavelength near 1750 nm was firstly presented, by using a 1550 nm Er-doped fiber laser pump source and a volume Bragg grating (VBG). By means of a 15 cm Tm-doped fiber, a 400 mW continuous wave ...

[HTML] 1 mJ nanosecond all-fiber thulium-doped fiber laser at 2.05 μm L Li, B Zhang, K Yin, L Yang, J Hou - Optics Express, 2015 Abstract A high energy all-fiber format nanosecond thulium-doped fiber laser at 2050 nm with a master oscillator power amplifier (MOPA) configuration is presented in this paper. The seed oscillator is a linearly polarized gain-switched fiber laser pumped by a 1550 nm fiber ...

[HTML] High-power noise-like pulse generation using a 1.56-µm all-fiber laser system SS Lin, SK Hwang, JM Liu - Optics Express, 2015 Abstract We demonstrated an all-fiber, high-power noise-like pulse laser system at the 1.56- µm wavelength. A low-power noise-like pulse train generated by a ring oscillator was amplified using a two-stage amplifier, where the performance of the second-stage ...

Comprehensive Theoretical and Experimental Study of Short-and Long-Term Stability in a Passively Mode-Locked Solitonic Fiber Laser M Brotons Gisbert, G Villanueva, J Abreu-Afonso… - 2015 Abstract—We demonstrate the short-and long-term stable operation of an all-polarization- mantained, Fabry-Pérot cavity, passively mode-locked fiber laser. The laser operates in an allanomalous-dispersion solitonic regime. Laser stability is studied by a variety of ...

ASSEMBLY FOR PROCESSING WORK PIECES WITH A LASER BEAM C Ruettimann, U Duerr, R Bartlome - US Patent 20,150,190,882, 2015 An assembly for processing a work piece using a laser beam, in particular for processing a highly reflective work piece, includes a fiber laser as a laser beam source for producing a pulsed primary la. ... The fiber laser 1 is controlled by a control unit 2. ...

[HTML] Highly efficient ytterbium-doped phosphosilicate fiber lasers operating below 1020nm G Gu, Z Liu, F Kong, H Tam, RK Shori, L Dong - Optics Express, 2015 ... The demonstrated 1018nm fiber laser has ASE suppression of ~41dB. This is higher than previous reports and further demonstrates the advantages of the fiber used. ... A 85W ytterbium-doped 1018nm fiber laser with 15µm core and 130µm cladding was reported in [13]. ...

Modelling of Laser Welding Process on Thermoplastic Composites B Cosson - Key Engineering Materials, 2015 ... 263. Advanced Fiber Laser Perforation Technology for Thermoplastic Pre-Preg Material. Authors: AA Kutin, MV Turkin. Abstract:A study concerning the application of fiber laser to perforate thermoplastic pre-pregs is presented. An IPG fiber laser was used to drill... ...

[HTML] Ultra-short wavelength operation of a thulium fibre laser in the 1660–1750 nm wavelength band JMO Daniel, N Simakov, M Tokurakawa, M Ibsen… - Optics Express, 2015 ... 3. VV Alexander, K. Ke, Z. Xu, MN Islam, MJ Freeman, B. Pitt, MJ Welsh, and JS Orringer, “Photothermolysis of sebaceous glands in human skin ex vivo with a 1,708 nm Raman fiber laser and contact cooling,” Lasers Surg. Med. 43(6), 470–480 (2011). [CrossRef] [PubMed]. ...

[HTML] Soliton breathing induced by stimulated Raman scattering and self-steepening in octave-spanning Kerr frequency comb generation C Bao, L Zhang, LC Kimerling, J Michel, C Yang - Optics Express, 2015 ... AF Runge, C. Aguergaray, NG Broderick, and M. Erkintalo, “Raman rogue waves in a partially mode-locked fiber laser,” Opt. Lett. ... C. Bao, AC Funk, C. Yang, and ST Cundiff, “Pulse dynamics in a mode-locked fiber laser and its quantum limited comb frequency uncertainty,” Opt. ...

[HTML] Thermal modeling of gain competition in Yb-doped large-mode-area photonic-crystal fiber amplifier L Rosa, E Coscelli, F Poli, A Cucinotta, S Selleri - Optics Express, 2015 ... suppressed in the “cold” fiber [11, 12]. It becomes therefore mandatory to consider thermal effects for the design of Yb-doped LMA PCFs operating in SM regime, suitable to provide a further fiber laser power scaling [13–15]. ...

OPTICAL FIBER PROCESSING SYSTEM USING A CO2 LASER W Zheng, T Mizushima, H Sugawara, W Klimowych… - US Patent 20,150,192,738, 2015 Abstract: An apparatus for splicing, tapering and heat processing optical fibers is disclosed. The apparatus may include a laser configured to irradiate a portion of one or more optical fibers by at least two laser beams. The beams may be configured to irradiate different ...

TSAG-based cryogenic Faraday isolator A Starobor, R Yasyhara, I Snetkov, E Mironov… - Optical Materials, 2015 ... Schematic of the experiment on studying CFI isolation ratio: 1 – ytterbium fiber laser, 2 – cryostat (dashed lines), 3 – quartz windows, 4 – magnetic system, 5 – MOE, 6 – calcite wedges, 7 – water cooled absorber, 8 – Glan prism, 9 – CCD camera for measuring power and beam ...

Mechanism study of initial filamentary damage in optical components owing to surface contamination particles X Sun, Z Lei, X Lu, D Fan - Pacific Rim Laser Damage, 2015 ... The experimental measurement system in Figure 2 illustrates that the laser beam emits from fiber laser firstly, and then goes through the optical attenuator, fiber collimator, optical components contaminated by particles (sample) and shrink-beam system in turn, and finally ...

Microstructure and mechanical properties of laser welded S960 high strength steel W Guo, D Crowther, JA Francis, A Thompson, Z Liu… - Materials & Design, 2015 ... In this study, 8 mm thick hot rolled and quenched S960 high strength low alloy (HSLA) steel plates were welded using a 16 kW fiber laser system. ... A continuous wave fiber laser (IPG YLS-16000) with a maximum power of 16 kW was used in the laser welding experiments. ...

Evanescent absorption based refractive index measurement at 1.3 µm S Chakraborty, KK Sinha, P Kumar - … Control (ICIC), 2015 International Conference on, 2015 ... Keywords- Optical Fiber, Evanescent Field, Refractive Index Measurement, Infrared Laser Source Introduction ... In the present work evanescent field absorption based simple setup using telecommunication grade optical fiber and laser source is utilized. ...

Evaluation of 16 New Holmium: Yttrium-Aluminum-Garnet Laser Optical Fibers for Ureteroscopy EC Akar, BE Knudsen - Urology, 2015 ... The ideal laser fiber is flexible, thin, and durable, maximizing maneuverability within the collecting system, allowing for adequate irrigation flow rate to maintain visibility and to transmit energy in a straight or deflected configuration without the fiber fracturing. ...

FEW MODED FIBER DEVICE EMPLOYING MODE CONVERSION KS Abedin, JM Fini, MF Yan - US Patent 20,150,192,733, 2015 ... FIG. 22 illustrates multimode pump combiner with cladding pumping; FIGS. 23 and 24 illustrate a multi-moded fiber laser; and. FIG. ... A schematic diagram of a multi (transverse)-moded fiber laser with a linear cavity is illustrated in FIG. 23, and with a ring cavity in FIG. 24. ...

[PDF] Interference with a Quantum Dot Single-Photon Source and a Laser at Telecom Wavelength M Felle, J Huwer, RM Stevenson, J Skiba-Szymanska… - arXiv preprint arXiv: …, 2015 ... We then used single photons emitted from the charged exciton line at 1306nm to measure two-photon interfer- ence with photons generated by a laser. We implemented an all-fiber interference setup with an unbalanced beam splitter to keep the losses of QD photons low. ...

Application of a 980-nanometer diode laser in neuroendoscopy: a case series RC Reis, MJ Teixeira, MW Mancini, L Almeida-Lopes… - Journal of Neurosurgery, 2015 ... FIG. 2. Biocompatible silica optical fiber with 400-μm core used for endoscopic delivery of the 980-nm diode laser. ... Sroka R , Havel M , Betz C , Kremser T , Leunig A : Clinical feasibility trial on 1940 nm Tm: fiber laser intervention of hyperplastic inferior nasal turbinates. ...

Оптимизация параметров тулиевого волоконного лазера при генерации импульсов модуляцией накачки ИВ Обронов, ВЕ Сыпин, СВ Ларин - Квантовая Электроника, 2015 Аннотация Исследован процесс формирования релаксационных импульсов излучения тулиевого волоконного лазера (λ= 1.9 мкм) при модуляции мощности его накачки эрбиевым волоконным лазером (λ= 1.55 мкм). Построена теоретическая модель, с ...

Генерация широкополосного суперконтинуума в телекоммуникационном волокне с накачкой наносекундным Tm, Ho: YVO 4 лазером Ч Рен-Лай, Р Цзянь-Кань, Л Шу-Ли, Ю Ву-Лунь… - Квантовая Электроника, 2015 ... волоконном световоде (ОВС) 8/125 мкм и многомодовом волоконном световоде (МВС ... суперконтинуума, телекоммуникационное оптическое волокно, Tm, Ho:YVO 4 -лазер, наносекундный импульс. ... волокне с накачкой наносекундным Tm, Ho:YVO 4 лазером", Квант ...

[PDF] О генерации спектрально-кодированных сигналов в некогерентных системах оптической связи на базе многополосных акустооптические фильтров ВВ Проклов, ОА Бышевский-Конопко, АЛ Филатов - Письма в ЖТФ, 2015 ... Так, известно, что в АО-дефлекторах монохроматического лазерного излучения, использу ... работы в одном из инфор- мационных каналов волоконно-оптической системы ... излучения несколько отличается от широко используемых в волоконной оптике диапазонов ...

[PDF] Частотні характеристики фотодіодів при різних станах поверхні. ОІ Зінгаєва - ТЕЛЕКОМУНІКАЦІЙНІ ТА ІНФОРМАЦІЙНІ …, 2015 ... Введение. Фотодиоды (ФД) различного типа используются в волоконно-оптических линиях связи (ВОЛС) [1...5]. При разработке ФД в качестве приемников оптической информации большое внимание уделяется частотным ... Облучение лазером (I0≈1026 квант/см∙с ...

[PDF] ОБЩАЯ ХАРАКТЕРИСТИКА ОСНОВНОЙ ОБРАЗОВАТЕЛЬНОЙ ПРОГРАММЫ ООП Руководитель - Физика ... Также рассмат- риваются: приложения стекол в фотонике - волоконная оптика, интегральная оптика, лазеры, сол- нечные ... с оптическим излучением, и физических принципов современных опто- электронных приборов (лазеров и детекторов ...

[DOC] НЕЛИНЕЙНАЯ ОПТИКА Учебно-методический комплекс. Рабочая программа для студентов направления 03.03. 03 «Радиофизика». Форма обучения очная ВП Дубов ... Б1.В.ДВ.13.1, Управление телекоммуникационными сетями (8 семестр). Б1.В.ДВ.13.2, Волоконно-оптические системы передачи (8 семестр). ... Нелинейные эффекты высших порядков. Лазеры с ГВГ. ... Пондеромоторное действие лазерного излучения. ...

[DOC] Монтанари СГ ЛВ Жигарева ... 4. Волоконно-оптические системы передачи, 1.3. 2.6. 2.7, 3.7, 1.3. ... Виды внутрирезонаторной модуляции лазерного излучения.. 2, 0-4. 2.10. ... работа с литературой, источниками, 1, 3.2. Импульсный режим работы лазера и его применение для целей модуляции. ...

[DOC] Учебно-методический комплекс. Рабочая программа для студентов направления 03.03. 03 Радиофизика, очная форма обучения СГ Монтанари, ЛВ Жигарева ... 4. Волоконно-оптические системы передачи, +, +, +, +. 1.3. ... 2.3. Внутрирезонаторная синхронная и несинхронная модуляции лазерного излучения, 7. Внутрирезонаторный магнитооптический несинхронный модулятор. 2.4. Импульсный режим работы лазера. ...

[DOC] ФОТОМИКРОФЛЮИДИКА (ЧАСТЬ 1) О РЕДАКТОР, ВА Михеев ... размерностей и теория подобия в процессах взаимодействия излучения лазера с капиллярными ... жидкости на поглощающей подложке с помощью модулированного пучка лазерного излучении и ... Б1.В.ДВ.13.2 Волоконно-оптические системы передачи (8 семестр). ...

[DOC] Земляне и космос: плюсы и минусы освоения космического пространства ЕМ Тищенко ... С течением времени доля передачи речи в общем объёме магистрального трафика постоянно снижалась, уступая место передаче данных. С развитием волоконно-оптических сетей последние начали вытеснять спутниковую связь с рынка магистральной связи. ...

14 07 2015 Fiber lasers / Волоконные лазеры от GOOGLE

[HTML] Near-infrared spectroscopic photoacoustic microscopy using a multi-color fiber laser source T Buma, BC Wilkinson, TC Sheehan - Biomedical Optics Express, 2015 Abstract We demonstrate a simple multi-wavelength optical source suitable for spectroscopic optical resolution photoacoustic microscopy (OR-PAM) of lipid-rich tissue. 1064 nm laser pulses are converted to multiple wavelengths beyond 1300 nm via ...

Blue and near-infrared up-conversion in double-air-cladding Tm3+-doped silica fiber under 1064 nm excitation C Xia, G Zhou, J Liu, W Zhang, Y Han, J Yuan - Optical and Quantum Electronics, 2015 ... glass is investigated. The results show that the Tm 3+ -doped fiber with a large core can be used as the potential optical material for the high power fiber laser which operates at the blue and near-infrared wavelengths. Keywords. ...

Investigation on the Q-switching performance in an intracavity-frequency-doubled YVO4/Nd: YVO4/KTP green laser with a monolayer graphene S Gao - Optical Engineering, 2015

Inscription of long period gratings using an ultraviolet laser beam in the diffusion-doped microstructured polymer optical fiber D Kowal, G Statkiewicz-Barabach, P Mergo… - Applied Optics, 2015 Abstract We show that diffusion of azobenzene from the solution in methanol into a cladding of a polymer fiber facilitates fabrication of long period gratings by the use of a He–Cd focused laser beam. We have measured a diffusion rate into PMMA cladding of the ...

[HTML] Optical creation and erasure of the linear electrooptical effect in silica fiber AR Camara, JMB Pereira, O Tarasenko, W Margulis… - Optics Express, 2015 ... [CrossRef]; P. St. J. Russell, LJ Poyntz-Wright, and DP Hand, (1991) “Frequency doubling, absorption and grating deformation in glass fibres: effective defects or defective effects?” in, MJF Digonnet (ed.) Fiber Laser Sources and Amplifiers II. ...

Laser Assisted Milling of Ti-6Al-4V ELI with the Analysis of Surface Integrity and its Economics GK Hedberg, YC Shin - Lasers in Manufacturing and Materials Processing, 2015 ... A fiber laser with the wavelength of 1.071 μm (IPG Photonics Ytterbium laser: YLS-1000) was used, which produces a maximum output power of 1.0 kW. ... literature [23] and were compared with experimental results for laser absorptivity to the fiber laser (wavelength of 1070 nm). ...

A fiber optic probe coupled low-cost CMOS-camera-based system for simultaneous measurement of oxy-, deoxyhemoglobin, and blood flow M Seong, Z Phillips, PM Mai, C Yeo, C Song, K Lee… - International Conference on …, 2015 ... Figure 1. A schematic of the fiber-optic probe coupled system including 2 laser sources, an optical switch, a low-cost an optical fiber coupled CMOS camera, and a probe having 1 source fiber and 2 detection fibers of 1 cm SD separation and 1.5 cm separation ...

[HTML] Increment of Access Points in Integrated System of Wavelength Division Multiplexed Passive Optical Network Radio over Fiber IS Amiri, SE Alavi, MRK Soltanian, N Fisal… - Scientific Reports, 2015 ... In this regard, the 100 GHz radio over fiber (RoF) system with an associated low cost and high transmission performance is ... Exciting new technological progress, particularly in the field of tunable narrow band laser systems, multiple transmission, and MRR systems, provides the ...

Structural Analysis of a Cavitary Region Created by Femtosecond Laser Process T Fujii, K Goya, K Watanabe - 한국동력기계공학회지, 2015 ... Femtosecond laser pulses make it possible to fabricate micro structures in processed regions of a very thin glass fiber line because femtosecond laser pulses can extremely minimize thermal effects. With the laser machining ...

Ultrashort Generation Regimes in the All-Fiber Kerr Mode-Locked Erbium-Doped Fiber Ring Laser for Terahertz Pulsed Spectroscopy. VS Voropaev, DA Dvoreckii, SG Sazonkin… - Science & Education of …, 2015 Abstract Many femtosecond engineering applications require for a stable generation of ultrashort pulses. Thus, in the terahertz pulsed spectroscopy a measurement error in the refractive index is strongly dependent on the pulse duration stability with allowable ...

(Invited) Structural Characterization of SiC Crystals Grown By Solvent Laser Heated Floating Zone Method and Hot Wall Chemical Vapor Deposition for the … B Raghothamachar - 228th ECS Meeting (October 11-15, 2015), 2015 ... 2] to grow SiC at the end of a 4H-SiC 'pseudo fiber' seed using Fe as solvent. This technique combines the fiber growth ability of laser heated floating zone method with single crystal growth ability by traveling solvent method. ...

Effect of Nd: YAG (1064-nm) and Diode Laser (980-nm) EDTA Agitation on Root Dentin Ultrastructure Properties HS de Macedo, V Colucci, DCF Messias… - Photomedicine and Laser …, 2015 ... 4. 17% EDTA with 980 nm diode laser: The root canal was filled with 1 mL 17% EDTA, and the laser fiber agitated the solution with 2 W in continuous waves for 10 sec. ... The laser fiber had helical motion from the apical to cervical third. ...

[PDF] FBG Interrogation Method with High Resolution and Response Speed Based on a Reflective-Matched FBG Scheme J Cui, Y Hu, K Feng, J Li, J Tan - Sensors, 2015 ... p = 0.22 for a typical optical fiber. Accordingly, the central wavelength of the reFBG linearly varies with the axial strain applied by the mechanical adjustment. ... bi-material coating [14], FBG sensors using a Fabry-Perot laser diode and a dual-stage FBG optical demultiplexer [15]. ...

High-Speed Camera and Fibered Optical Wave Microphone Measurements on Surface-Dielectric-Barrier Discharges F Mitsugi, T Nakamiya, Y Sonoda, H Kawasaki - 2015 ... shown in Fig. 1. It is composed of a fiber laser (637 nm, 7 mW, and 1.5 mm in diameter), a lens ( f = 7.93 mm), a fiber (single mode, diameter of core: 4.3 μm and 5 m), and a detector (Hamamatsu, S5935-01). One key difference ...

Readability of intentionally degraded two dimensional code marks printed lithographically using a squared optical fiber matrix J Watanabe, J Iwasaki, T Horiuchi - Photomask Japan 2015, 2015 ... 2. M. Chen, W. Hsiao, W. Huang, "Laser coding on the eggshell using pulsed-laser marking system," Journal of Materials processing Technology 209 ... 5. J. Iwasaki and T. Horiuchi, "Novel Exposure System Using Light-Emitting Diodes and an Optical Fiber Array for Printing Serial ...

Efficacy of Laser Activated Irrigation on Apically Extruded Debris with Different Preparation Systems A Kuştarcı, K Er - Photomedicine and Laser Surgery, 2015 ... between the fiber tip and the apex may affect the apical fluid pressure during laser activation with con- tinuous irrigation in the root canal.38 In the present study, to avoid some of the undesirable effects of the conventional laser applications, the fiber tip of the laser was used only ...

[PDF] Laser surface and sub-surface repair during metal additive manufacturing PT Ravi - 2015 ... and travel speed. The laser employed for the research is a 1000 W fiber laser. The upper ... The laser used is a single mode CW ytterbium fiber laser system whose wavelength lies in the near infrared spectral range (1060-1080 nm). The laser spot size is ...

Effect of TeO 2 addition on thermal stabilities and 2.7 μm emission properties of fluoroaluminate–tellurite glass F Wang, Y Tian, X Jing, M Cai, J Zhang, S Xu - Journal of Quantitative Spectroscopy …, 2015 ... Hence, these results indicate that this Er 3+ doped fluoroaluminate–tellurite glass has potential applications in 2.7 μm laser. Keywords. 2.7 μm emission; Fluoroaluminate–tellurite; Thermal stability. ... The fluoroaluminate–tellurite glass will be a suitable host for 2.7 μm laser. ...

Frequency sweep jitter and wander of a Vernier-Tuned Distributed Bragg Reflector (VT-DBR) laser at 1550 nm in OCT applications RCM Biersach, D Derickson, J Ensher - European Conferences on Biomedical Optics, 2015 ... in the middle ear using an akinetic swept laser source," Optics Letters 39(21), 6233-6236 (2014). 3. Swann, WC, Gilbert, SL, "Accuracy limits for simple molecular absorption based wavelength references," Technical Digest – Symp. on Optical Fiber Measurements, September ...

Temperature error compensation for fiber optic gyroscope based on CPSO-BP neural network M Jiang, ZJ Liu - … Intelligence in Industrial Application: Proceedings of …, 2015 Ultrashort Generation Regimes in the All-Fiber Kerr Mode-Locked Erbium-Doped Fiber Ring Laser for Terahertz Pulsed Spectroscopy. VS Voropaev, DA Dvoreckii, SG Sazonkin… - Science & Education of …, 2015 ... Лазерный выход из резонатора представляет собой плечо волоконно- ... а) и спектры (б,в) генерации ультракоротких импульсов в кольцевом эрбиевом волоконном лазере. ... Выводы В работе исследована схема кольцевого эрбиевого полностью волоконного лазера ...

Революция технологий и эволюция методов термометрии АН Магунов - Мир измерений No 6 2014, 2015

[PDF] РАЗДЕЛ I БД ЕПУ - Сертификация ... Лазер 0,532 мкм Длина волны 0,532 мкм, длительность импульса менее 10 796 шт. 1 45000000000 Москва 2 000 000,00 02.2015 11.2015 Простая нет С 1.17 33.20.8 3321109 Тестовый комплект OMK-55 optical test kit (2092/32) Набор для тестирования волоконных ...

11 07 2015 Fiber lasers / Волоконные лазеры от GOOGLE

A robust all-fiber active Q-switched 1-µm Yb3+ fiber laser Y Sintov, S Goldring, S Pearl, E Lebiush, B Sfez… - Applied Physics B, 2015 Abstract An all-fiber active Q-switched Yb 3+-doped fiber laser at 1 µm is presented. The laser is composed of a ring resonator with an embedded all-fiber Q-switch element, based on a null coupler with an attached piezoelectric transducer (PZT). The PZT is used as an ...

Multi-wavelength narrow linewidth thulium-doped fiber laser operating at 1.9 μm using a tunable Sagnac fiber period filter T Wang, W Ma, P Zhang, Q Jia, J Zhang, H Jiang - Journal of Optics, 2015 Abstract We demonstrate a tunable multi-wavelength thulium-doped fiber laser (TDFL). A Sagnac fiber period filter is employed to achieve the tunable multi-wavelength fiber laser and consists of a 3-dB coupler, a segment of 4 m long polarization maintained thulium- ...

[HTML] Hundred-watt-level high power random distributed feedback Raman fiber laser at 1150 nm and its application in mid-infrared laser generation H Zhang, P Zhou, X Wang, X Du, H Xiao, X Xu - Optics Express, 2015 Abstract Two kinds of hundred-watt-level random distributed feedback Raman fiber have been demonstrated. The optical efficiency can reach to as high as 84.8%. The reported power and efficiency of the random laser is the highest one as we know. We have also ...

Simultaneously reducing the intensity and frequency noise of single-frequency phosphate fiber laser C Li, S Xu, Y Xiao, Z Feng, C Yang, K Zhou, Z Yang - Journal of Optics, 2015 Abstract We demonstrate an optoelectronic feedback method to simultaneously reduce the intensity and frequency noise of a single-frequency phosphate fiber laser for the first time. Based on the fact that the intensity and frequency noise in this laser mainly originate from ...

HIGH-POWER FIBER LASER EMPLOYING NONLINEAR WAVE MIXING WITH HIGHER-ORDER MODES S Ramachandran - US Patent 20,150,188,283, 2015 Abstract: A high-power fiber laser exploits efficiency and wavelength-conversion of nonlinear wave mixing in a higher-order mode (HOM) fiber providing large effective area and higher-power operation than single-order mode (SMF) fiber. In a “monomode” ...

Enhanced off-resonance magnetoelectric response in laser annealed PZT thick film grown on magnetostrictive amorphous metal substrate H Palneedi, D Maurya, GY Kim, S Priya, SJL Kang… - Applied Physics Letters, 2015 A highly dense, 4 μm-thick Pb(Zr,Ti)O3 (PZT) film is deposited on amorphous magnetostrictive Metglas foil (FeBSi) by granule spray in vacuum process at room temperature, followed by its localized annealing with a continuous-wave 560 nm ytterbium fiber laser radiation. ...

Transfer of an exfoliated monolayer graphene flake onto an optical fiber end face for erbium-doped fiber laser mode-locking HG Rosa, JCV Gomes, EAT de Souza - 2D Materials, 2015 Abstract This paper presents, for thefirst time, the successful transfer of exfoliated monolayer grapheneflake to the opticalfiber end face and alignment to its core. By fabricating and optimizing a polymeric poly (methyl methacrylate)(PMMA) and polyvinyl alcohol (PVA) ...

[HTML] Interferometric Estimation of Nonlinearity in GRIN Optical Fiber F El-Diasty, HA El-Hennawi, MA Soliman - International Journal of Optoelectronic …, 2015 ... Construction of robust high power fiber-laser systems still need to analyze the different parameters that affect the nonlinear response of the fiber material and its waveguiding conditions. ... GRIN fiber has a large cross-section and superior confinement structure to the laser beam. ...

[PDF] Thulium-doped Sodium Zinc Molybdenum Tellurite Glasses J Zheng, SQ Man - 2015 ... lowest phonon energy spectrum among oxide glass formers, high refractive index, and high nonlinear refractive index [1]. Neodymium (Nd3+)-doped tellurite singlemode fiber laser and Er3+-doped tellurite singlemode fiber laser have been demonstrated recently[2,3]. The signal ...

Microstructural characteristics of the laser welded joint of ITER correction coil sub case C Fang, Y Song, J Wei, J Xin, H Wu, H Handroos… - Fusion Engineering and …, 2015 ... The welding experiment used an YLS-6000 fiber laser (IPG) and weld filler of 316LMn to match the base metal was used. The ... 2. Experimental. The laser welding experiment is carried out using the multimode fiber laser (IPG). The ...

[HTML] Determination of the nonlinear refractive index of multimode silica fiber with a dual-line ultra-short pulse laser source by using the induced grating autocorrelation … A Traore, E Lalanne, AM Johnson - Optics Express, 2015 Abstract We measured, within 6% accuracy, the nonlinear refractive index (n 2) of 10 meter long multimode silica fiber of 17μm core diameter, using a modified induced grating autocorrelation technique (IGA). This measurement technique, based on time-delayed two ...

STABILITY OF AN OPTICAL SOURCE IN AN OPTICAL NETWORK TEST INSTRUMENT J Salling, DJ Schell - US Patent 20,150,189,709, 2015 ... 10. The method of claim 1, wherein the optical source comprises at least one of a light emitting diode (LED), a fiber laser, a frequency doubled fiber laser, a diode laser, a frequency doubled diode laser or combinations thereof. 11. ...

[PDF] Ultimate low system dark count rate for superconducting nanowire single-photon detector H Shibata, K Shimizu, H Takesue, Y Tokura - arXiv preprint arXiv:1507.01743, 2015 ... To measure the jitter, we used a femtosecond fiber laser with a repetition rate of 100 MHz and a time interval analyzer. Details of our jitter measurement system were published earlier [18]. Figure 3 shows the bias current dependence of the system η of the device. ...

Effect of part thickness, glass fiber and crystallinity on light scattering during laser transmission welding of thermoplastics XF Xu, A Parkinson, PJ Bates, G Zak - Optics & Laser Technology, 2015 Abstract It is important to understand how laser energy scatters within the transparent component in order to predict and optimize the laser transmission welding process. This paper examines the influence of part thickness, glass fiber and crystallinity levels on the ...

[HTML] Miniature temperature sensor with germania-core optical fiber J Yang, Y Zheng, LH Chen, CC Chan, X Dong… - Optics Express, 2015 ... 19. Q. Meng, X. Dong, K. Ni, Y. Li, B. Xu, and Z. Chen, “Optical fiber laser salinity sensor based on multimode interference effect,” IEEE Sens. J. 14(6), 1813–1816 (2014). [CrossRef]. 20. ... Chen, “Optical fiber laser salinity sensor based on multimode interference effect,” IEEE Sens. ...

Intra-cavity spectral shaping based on optical rotatory dispersion in a broadband Ti: S regenerative amplifier S Zheng, W Chen, Y Cai, X Lu, G Zheng, J Li, S Xu - Laser Physics Letters, 2015 ... Laser Physics Letters Volume 12 Number 8 Shuiqin Zheng et al 2015 Laser Phys. Lett. ... Titanium. Your last 10 viewed. Intra-cavity spectral shaping based on optical rotatory dispersion in a broadband Ti : S regenerative amplifier Shuiqin Zheng et al 2015 Laser Phys. Lett. ...

[PDF] Bichromatic State-insensitive Trapping of Caesium Atoms MM Metbulut, F Renzoni - arXiv preprint arXiv:1507.01190, 2015 ... magic trap wavelengths accessible by high power lasers for all these control laser wavelengths were found in range of 585 − 588 nm and 623 − 629 nm which can be obtained by using orange and red Raman fiber lasers, in which a Yb-fiber laser generates stimulated Raman ...

The effect of transmitted Er: YAG laser energy through a dental ceramic on different types of resin cements O Tak, T Sari, M Arslan Malkoç, S Altintas, A Usumez… - Lasers in Surgery and …, 2015 ... 18 Sarp AS, Gulsoy M. Ceramic bracket debonding with ytterbium fiber laser. Lasers Med Sci 2011; 26:577–584. ...

… Modulation Direct-Detection–Orthogonal Frequency-Division Multiplexing Radio-over-Fiber System Using Low-Cost Direct-Modulation Laser to Generate Optical mm- … HV Nguyen - Fiber and Integrated Optics, 2015 Abstract This article demonstrates a novel scheme to generate 16 quadrature amplitude modulation orthogonal frequency-division multiplexing signals for radio-over-fiber systems using a low-cost direct-modulation laser to generate an optical millimeter-wave. ...

PULSE-BURST ASSISTED ELECTROSPRAY IONIZATION MASS SPECTROMETER AA Mills, ME Fermann, J Peng, RJ Levis - US Patent 20,150,187,558, 2015 ... 7. An apparatus for analyzing samples according to claim 1, said ultrashort pulse bursts generated with a laser source comprising a fiber laser system. ... An ultrashort pulse burst may be generated with a laser source which includes a fiber laser system. ...

[PDF] Экспериментальное исследование осевой составляющей диаграммы направленности излучения многомодового оптоволокна1 АД Бялик, ВА Гридчин, ВЮ Васильев, АН Игнатов… - Вестник СибГУТИ, 2015 ... оптического излучения в эксперименте использовались полупро- водниковые лазеры с коллимационными ... d = 2.5 мм, диаметр коллимационной линзы лазера d1 = 5 ... распределения светового потока в оптической системе волоконно-оптических преобразователей ...

[PDF] Квантовая криптография как перспективный метод абсолютно защищённой передачи данных для новых поколений РЛС ИИ Рябцев, ВЛ Курочкин, АВ Зверев, ДБ Третьяков… - Вестник СибГУТИ, 2015 ... помощью одиночных фотонов по квантовому каналу (например, волоконному световоду) от ... лазеры, длина волны которых стабильна при модуляции (лазеры с распределённой ... выходах фотодиодов была много меньше частоты следования лазер- ных импульсов ...

[PDF] Федеральное государственное образовательное автономное учреждение высшего образования Российский университет дружбы народов (РУДН) КА КАЗАКОВА ... в 1963г. Таким образом, первое применение лазера в медицине состоялось Page 6. 6 ... лазеры различного светового диапазона и с различным механизмом воздействия лазерного излучения на ткани глаза для диагностики и лечения глазных болезней. ...

[PDF] ФОТОИНТЕГРАТОР ДЕТЕКТОРА МОЛЕКУЛЯРНых ЯДЕР КОНДЕНСАЦИИ ВД Купцов, ВП Валюхов - НАУЧНО-ТЕХНИЧЕСКИЕ ... освещают через специальное отверстие лампой или лазером и измеря ... газа-носителя; 3–светопоглотитель фотоприемного устройства; 4–лазер; 5–фотометрируемый ... фотоприемное устройство; 7–тубус фотоприемного устройства; 8–светопоглотитель лазера ...

[PDF] ОСТАТОЧНЫЕ НАПРЯЖЕНИЯ В ЭЛЕМЕНТАХ АНИЗОТРОПНОГО ОПТИЧЕСКОГО ВОЛОКНА «ПАНДА» С УЧЕТОМ ТЕХНОЛОГИЧЕСКИХ НЕСОВЕРШЕНСТВ … НА Труфанов ... 4 ВВЕДЕНИЕ Волоконная оптика зарекомендовала себя как одна из наиболее ... Например, широкое применение получили волоконно-оптические гироскопы (ВОГ), измеряющие ... (г.Самара, 2013 г.), на IV-й Всероссийской конференции по волоконной оптике (г. ...

09 07 2015 Fiber lasers / Волоконные лазеры от GOOGLE

Translational Photoacoustic Microscopy Y Zhou, LV Wang - Frontiers in Biophotonics for Translational Medicine, 2016 ... Different from OR-PAM, AR-PAM uses a multi-mode optical fiber to couple the laser beam into the scanning head. To form dark-field illumination, a conical lens and a mirror are used. A flat ultrasonic trans- ducer attached to an acoustic lens detects the PA signals. ...

Handheld Probe-Based Dual Mode Ultrasound/Photoacoustics for Biomedical Imaging MKA Singh, W Steenbergen, S Manohar - Frontiers in Biophotonics for Translational …, 2016 ... 19 Drawing of the handheld device (a) and photograph of it (b). Simulated sensitivity distribution of the array within the detection band (c) and the wavelength dependency of the laser energy (d). 1 Fiber bundle output; 2 transducer array; 3 membrane; 4 illumination pattern; 5 ...

High Resolution Optical Coherence Tomography for Bio-Imaging J Mo, X Yu, L Liu - Frontiers in Biophotonics for Translational Medicine, 2016 ... tomography. Opt. Express 14, 3225–3237 (2006); 37. MA Choma, K. Hsu, JA Izatt, Swept source optical coherence tomography using an all-fiber 1300‐nm ring laser source. J. Biomed. Opt. 10, 044009-044009-044006 (2005); 38. S ...

Monitoring Free Gas In Situ for Medical Diagnostics Using Laser Spectroscopic Techniques K Svanberg, S Svanberg - Frontiers in Biophotonics for Translational Medicine, 2016 ... of-flight methods using pulsed lasers and single-photon correlation, or by the phase-shift method, employing swiftly modulated CW laser sources. ... A probe with a central fiber for light injection surrounded by 6 fibres at a small separation from the injection point was constructed ...

167.75-nm vacuum-ultraviolet ps laser by eighth-harmonic generation of a 1342-nm Nd: YVO 4 amplifier in KBBF SB Dai, N Zong, F Yang, SJ Zhang, ZM Wang… - Optics Letters, 2015 ... 167.75-nm vacuum-ultraviolet ps laser by eighth-harmonic generation of a 1342-nm Nd:YVO 4 amplifier in KBBF. ... 1 Research Center for Laser Physics and Technology, Chinese Academy of Sciences, Beijing 100190, China. ...

Low threshold fiber taper coupled rare earth ion-doped chalcogenide microsphere laser 李超然, 戴世勋, 张勤远, 沈祥, 王训四, 张培晴… - 中国物理 B: 英文版, 2015 ... 论文发表 | SCI发表. 您的位置:网站首页 > 《中文科技期刊数据库》 > 工程技术 > 电子电信 > 基本电子电路 > 摘要 Low threshold fiber taper coupled rare earth ion-doped chalcogenide microsphere laser. 《中国物理B:英文版》2015 ...

UNIVERSAL TRAFFIC LIGHT LUMINAIRE C Larat, A Warmuth, H Joestingmeier, R Czarny… - US Patent 20,150,185,389, 2015 ... than the fiber angular acceptance). Typically for a 200 μm diameter fiber and for single mode solid state laser a distance of 100 μm between the fiber and the source gives a ±50 μm side tolerance. The bundle of seven collecting ...

Nanoparticle-Enabled Optical Endoscopy: Extending the Frontiers of Diagnosis and Treatment BC Wilson, S Borel - Frontiers in Biophotonics for Translational Medicine, 2016 ... for fiberoptic delivery of the broad-band white light, usually from a halogen or an LED light source; one or more working channels through which instruments may be placed, such as biopsy forceps to take tissue samples or a therapeutic device (laser-delivery fiber or argon ...

Fluorescence Lifetime Spectroscopy and Imaging Techniques in Medical Applications D Gorpas, L Marcu - Frontiers in Biophotonics for Translational Medicine, 2016 ... the progression of a phase ii clinical trial to detect and screen for cervical neoplasia using a fiber optic probe. J. Biomed. Opt. 12, 034015 (2007); 51. A. Vaitkuviene, V. Gegzna, R. Kurtinaitiene, JV Vaitkus, Cervical smear photodiagnosis by fluorescence. Photomed. Laser Surg. ...

Raman Spectroscopy Techniques: Developments and Applications in Translational Medicine K Kong, I Notingher - Frontiers in Biophotonics for Translational Medicine, 2016 ... Thus, recent advances in laser technologies, fibre optics, optical microscopes and light detectors, have brought Raman spectroscopy closer to real medical and clinical applications. ... Spontaneous Raman spectroscopy uses a single laser beam for excitation of Raman scattering. ...

Next Frontier in Optical Imaging Techniques for Laparoscopic Surgery: An Industry Perspective IJ Rasiah, M Groves - Frontiers in Biophotonics for Translational Medicine, 2016 ... c Photograph of the fiber probe being manipulated by ARAKNES robot (Reproduced with kind permission from the Journal of Biophotonics 2014 [47]) 344 ... to this approach include low penetration depth of 250 μm under the liver capsule due to the capability of the laser that was ...

Deep Tissue Hemodynamic Monitoring Using Diffuse Optical Probes J Dong, R Bi, K Lee - Frontiers in Biophotonics for Translational Medicine, 2016 ... Examples of those will be optical intrinsic signal imaging, laser Doppler flowmetry, laser speckle contrast imaging, and so on. ... Modulated laser diodes operating at different wavelength were used as source and a CCD camera was used for detection. ...

11 Experimental Studies AB Hill - Lilienfeld's Foundations of Epidemiology, 2015

ACCESS TROCAR AND RELATED METHOD THEREOF GT Gillies, P Pollak, S Mahapatra - US Patent 20,150,182,253, 2015 ... patches or coverings onto the heart, biopsy devices, suture- or staple-placement devices, endoscopes, fiber-optic probes, temperature sensors, pH or other chemical sensors, feedback or regulation devices, batteries or other energy sources, cryoprobes, laser light delivery ...

[HTML] Plastin 3 Expression Does Not Modify Spinal Muscular Atrophy Severity in the∆ 7 SMA Mouse VL McGovern, A Massoni-Laporte, X Wang, TT Le… - PloS one, 2015 ... Motor neurons were collected from fresh frozen spinal cord sections on a Zeiss Palm Robo 3 Laser Capture Microdissection System. ... The motor neurons were isolated by laser capture microdissection (LCM) and RNA was extracted. ...

TDLAS-based investigation on thermal parametric shifting caused by air vitiation in hypersonic tests Y Jin, Y Zhu, K Liu, F Xiao, J Yang ... use. At the same time the fiber makes it simple and convenient for laser to enter and exit the flow field, the laser control section and the test region (such as the combustion chamber or test model) can be separated. This work ...

PROCESS OF PRODUCING POLYLACTIC ACID-BASED RESIN MICROPARTICLES AND POLYLACTIC ACID-BASED RESIN MICROPARTICLES H Takezaki, H Kobayashi, M Saito, I Asano - US Patent 20,150,183,928, 2015 ... part and a word processor part, information appliance-related parts such as an office computer-related part, a telephone-related part, a facsimile-related part, a copier-related part, films for protecting various disk boards, a Laser Disk player pickup lens, optical fiber, a light switch ...

Snap-shot multispectral imaging of vascular dynamics in a mouse window-chamber model HC Hendargo, Y Zhao, T Allenby, GM Palmer - Optics Letters, 2015 ... Note the Boolean sign must be in upper-case. Example: (diode OR solid-state) AND laser [search contains "diode" or "solid-state" and laser]; Example: (photons AND downconversion) - pump [search contains both "photons" and "downconversion" but not "pump"]. ...

[HTML] 2-D optical/opto-mechanical microfluidic sensing with micro-bubble resonators Z Chen, M Li, X Wu, L Liu, L Xu - Optics Express, 2015 ... Related Topics Table of Contents Category: Category Pending. OCIS Categories: Integrated optics; Sensors (130.6010); Lasers and laser optics; Optical resonators (140.4780); Microcavity devices (140.3948); Nonlinear optics; Nonlinear ...

Scaled Rocket Testing in Hypersonic Flow A Dufrene, M MacLean, Z Carr, R Parker, M Holden… ... Light from the laser source is coupled into a single-mode fiber using a numerical-aperture- matched reflective collimator. An identical collimator but with a sapphire window to protect the optic is used to pitch the beam over the measurement path. ...

07 07 2015 Fiber lasers / Волоконные лазеры от GOOGLE

A tunable and switchable wavelength spacing of multi-wavelength erbium doped fiber laser by exploiting nonlinear polarization rotation M Zhang, Q Hu, W Zheng - Fifth Asia Pacific Optical Sensors Conference, 2015 abstract A novel multi-wavelength fiber laser was achieved simultaneously tunable and switchable outputs of wavelength spacing with an Erbium-doped fiber amplifiers (EDFA) based on nonlinear polarization rotation (NPR) effect. We described and proved the ...

Statistics of a turbulent Raman fiber laser. P Walczak, S Randoux, P Suret - Optics letters, 2015 We report the experimental study of statistical properties of partially coherent waves emitted by a Raman fiber laser operating in the normal dispersion regime. Using an asynchronous optical sampling technique, we accurately measure the probability density function of the ...

Fiber-optic Doppler velocimeter based on a dual-polarization fiber grating laser Z Kuang, L Cheng, Y Liang, H Liang, BO Guan - Fifth Asia Pacific Optical Sensors …, 2015 abstract A fiber-optic Doppler velocimeter based on a dual-polarization fiber grating laser is demonstrated. The fiber grating laser produces two orthogonally polarized laser outputs with their frequency difference proportional to the intra-cavity birefringence. When the laser ...

Fiber optic flowmeter based on distributed feedback fiber laser W Zhang, F Li, H Xu, W Huang, F Li - Fifth Asia Pacific Optical Sensors Conference, 2015 abstract This paper presents a novel fiber flowmeter based on distributed feedback fiber laser (DFB-FL). The DFB-FL is encapsulated in a PU tube which is put in the center of the flow pipe. When the flow speed changes, the flow induced pressure turbulence on the ...

High-resolution, compact dual-frequency fiber laser accelerometer Q Cao, Y Liang, L Jin, L Cheng, BO Guan - Fifth Asia Pacific Optical Sensors …, 2015 abstract We demonstrate an accelerometer based on a dual-frequency DBR fiber laser with a resolution of 6 μg/Hz 1/2 at 1 kHz. The accelerometer is implemented by mounting a 250- milligram proof mass onto the laser cavity and converting the vibration into change in beat ...

Fiber-laser-pumped, high-energy, mid-IR, picosecond optical parametric oscillator with a high-harmonic cavity L Xu, HY Chan, SU Alam, DJ Richardson… - Optics Letters, 2015 Abstract We demonstrate the generation of high-energy, mid-IR, picosecond pulses in a high- harmonic-cavity optical parametric oscillator (OPO) that has a relatively compact cavity with a length that is a small fraction of that required to match the pump repetition rate. The OPO ...

Heterodyning fiber laser based magnetic field sensor using magnetostrictive composite material W He, L Cheng, Q Yuan, Y Liang, L Jin, BO Guan - Fifth Asia Pacific Optical Sensors …, 2015 abstract A novel fiber-optic magnetic field sensor is proposed by embedding a heterodyning fiber laser into an epoxy resin bonded magnetostrictive composite material with Terfenol-D particles doped. The magnetic field induced strain in the magnetostrictive composite ...

[HTML] On the use of Areal Roughness Parameters to Assess Surface Quality in Laser Cutting of Stainless Steel with CO 2 and Fiber Sources E Librera, G Riva, H Safarzadeh, B Previtali - Procedia CIRP, 2015 Abstract Laser cutting provides various advantages such as high flexibility in terms of process parameters and cut material type, as well as the possibility to obtain complex geometry in different dimensions with high precision. From industrial point of view, the two ...

Beat frequency dependence of the sensitivity for Faraday-rotation based heterodyning fiber laser magnetic field sensor N Hu, L Cheng, L Yu, Y Liang, H Liang, BO Guan - Fifth Asia Pacific Optical Sensors …, 2015 abstract The beat frequency dependence of the sensitivity for a Faraday-rotation based heterodyning fiber laser magnetic field sensor is studied, which shows that lower beat frequency results in higher sensitivity. By lowering the beat frequency to 2 MHz, the ...

[HTML] Graphene-deposited microfiber photonic device for ultrahigh-repetition rate pulse generation in a fiber laser YL Qi, H Liu, H Cui, YQ Huang, QY Ning, M Liu, ZC Luo… - Optics Express, 2015 Abstract We report on the generation of a high-repetition-rate pulse in a fiber laser using a graphene-deposited microfiber photonic device (GMPD) and a Fabry-Perot filter. Taking advantage of the unique nonlinear optical properties of the GMPD, dissipative four-wave ...

Noise performance improvement of dual-polarization fiber grating laser through external optical feedback Y Lao, K Yu, L Cheng, Y Liang, H Liang, BO Guan - Fifth Asia Pacific Optical Sensors …, 2015 abstract The noise performance of the beat note generated by a dual-polarization fiber grating laser is very critical for sensing applications. To reduce the noise of the beat note, external optical feedback is employed with a fiber Bragg grating as a reflector. It then ...

[HTML] Statistical Approach to Fiber Laser Microcutting of NIMONIC® C263 Superalloy Sheet Used in Effusion Cooling System of Aero Engines S Genna, C Leone, B Palumbo, F Tagliaferri - Procedia CIRP, 2015 Abstract In order to reduce thermal stress and avoid premature failure of turbine blades in the hot section of aero-engines, a diffusion cooling system is often adopted. This system is a thin sheet, with a closely spaced holes array allowing a uniform cooling of the turbine ...

Distributed feedback fiber laser for sub-nanostrain-resolution static strain measurement by use of swept beat-frequency demodulation W Huang, W Zhang, F Li - Fifth Asia Pacific Optical Sensors Conference, 2015 abstract Fiber laser has the advantages of ultra-narrow linewidth, low phase and intensity noise, which is beneficial for ultra-high-resolution strain sensing. This paper presents a novel demodulation technique for sub-nanostrain-resolution static strain measurement ...

Self Q-switching of a bismuth doped silica fiber operating at 1.46 μm M Jung, K Lee, S Lee, JH Lee - Fifth Asia Pacific Optical Sensors Conference, 2015 ... ABSTRACT We demonstrate a self Q-switched Bismuth-doped germanosilicate fiber laser operating at 1463 nm. ... Keywords: Bismuth doped fiber, Self Q-switching 1. INTRODUCTION Recently, Bismuth doped fiber laser has been receiving technical attention. ...

Black anneal marking with pulsed fiber lasers T Murphy, P Harrison, S Norman - Industrial Laser Applications Symposium 2015, 2015 abstract High contrast marking of metals is used in a wide range of industries. Fiber laser marking of these metals provides non-contact marking with no consumables, offering many advantages over traditional methods of metal marking. The laser creates a permanent ...

[HTML] Microstructural Characteristics and Mechanical Properties of Ti6Al4V Alloy Fiber Laser Welds SL Campanelli, G Casalino, M Mortello, A Angelastro… - Procedia CIRP, 2015 Abstract In this paper an experimental analysis on laser beam welding process of Ti6Al4 V titanium alloy was performed. Butt joints with a thickness of 2 mm were produced and assessed. A high brightness fiber laser was adopted to carry out the analysis. No filler wire ...

Cavity Microball Lenses: Femtosecond Laser Fabrication of Cavity Microball Lens (CMBL) inside a PMMA Substrate for Super‐Wide Angle Imaging (Small 25/2015) C Zheng, A Hu, KD Kihm, Q Ma, R Li, T Chen… - Small, 2015 ... A simple and innovative scheme to fabricate a completely enclosed cavity microball lens (CMBL) inside a polymer substrate is devised by A. Hu, T. Chen, and co-workers, using a femtosecond fiber laser at high repetition rates. ...

Fiber-optic ultrasonic sensing systems using PS-FBG for damage monitoring in composite materials Y Okabe, Q Wu - Fifth Asia Pacific Optical Sensors Conference, 2015 ... 5. FIBER LASER SENSING SYSTEM WITH INBUILT PS-FBG ... Hence we attempted to design a fiber laser sensing system with self-adjustment ability5. This system is based on erbium doped fiber ring laser with inbuilt PS-FBG sensor as shown in Figure 7(a). Ultrasonic (a) (b) (c) ...

[HTML] Finite Element Model for Laser Welding of Titanium G Casalino, M Mortello, N Contuzzi, FMC Minutolo - Procedia CIRP, 2015 ... Abstract. This paper presents a finite element numerical analysis of the heat transfer in the laser welding process of Ti6Al4V titanium alloy. For sake of validation, 1.5 mm thick butt joints were made using a fiber laser. ... Fiber laser-GMA hybrid welding of commercially pure titanium. ...

[HTML] Fiber Laser Welding of Copper based Open Cell Foams CA Biffi, D Colombo, B Previtali, A Tuissi - Procedia CIRP, 2015 Abstract Porous metallic materials with cellular structures are well known to combine many physical and mechanical properties. This mix of different properties makes these systems very attractive for both structural and functional applications, depending on pore size, ...

[PDF] Создание панели оператора для мониторинга и управления объектом на основе оборудования Beckhoff, программы TwinCAT и программного пакета … ВВ Архипов - Наука, техника и образование 2015. № 5 (11), 2015 ... На современном этапе исследований, с созданием мощных и компактных лазерных источников (волоконные и диодные лазеры), одной из ... система подачи рабочего вещества 1-источник питания лазера, 2-диодный полупроводниковый лазер, 3-линза, 4 ...

04 07 2015 Fiber lasers / Волоконные лазеры от GOOGLE

Microstructure characteristics of thick aluminum alloy plate joints welded by fiber laser Z Zhang, S Dong, Y Wang, B Xu, J Fang, P He - Materials & Design, 2015 Abstract It's difficult to weld high strength thick plate since the groove is huge when using traditional arc welding, and the weld tends to be softened and large deformation could occur after multi-layer welding. All of these can affect the industrial application of high strength ...

Investigation of laser welding on butt joints of Al/steel dissimilar materials J Sun, Q Yan, W Gao, J Huang - Materials & Design, 2015 Dissimilar metals of AA6013 aluminum alloy and Q235 low-carbon steel of 2.5 mm thickness were butt joined using a 10 kW fiber laser welding system wit. ... Highlights. • It was feasible to join Al/steel in butt joints using fiber laser welding. ...

Fabrication and Characterization of Glass‐Ceramic Fiber‐Containing Cr3+‐Doped ZnAl2O4 Nanocrystals Z Fang, S Zheng, W Peng, H Zhang, Z Ma, S Zhou… - Journal of the American …, 2015 ... In comparison to precursor fiber, the glass-ceramic fiber exhibits broadband emission from Cr 3+ when excited at 532 nm, making Cr 3+ -doped glass-ceramic fiber a promising material for broadband tunable fiber laser. ... A. Jha, “Tm 3+ /Ho 3+ Codoped Tellurite Fiber Laser,” Opt. ...

Q-switching and mode-locking pulse generation with graphene oxide paper-based saturable absorber SW Harun, MBS Sabran, SM Azooz, AZ Zulkifli… - The Journal of Engineering, 2015 ... CrossRef. 2): 2. Anyi, CL, Haris, H., Harun, SW, Ali, NM, Arof, H.: 'Nanosecond pulse fiber laser based on nonlinear polarisation rotation effect', Electron. ... CrossRef. 9): 9. Popa, D., Sun, Z., Hasan, T., Torrisi, F., Wang, F., Ferrari, AC: 'Graphene Q-switched, tunable fiber laser', Appl. ...

Precise Absolute Distance Measurement by Dual 70 MHz Mode-Locked Fiber Lasers TA Liu, YC Chuang, HW Lee, PE Hsu, JL Peng - Key Engineering Materials, 2015 ... We employed a gold coated glass cover plate to fabricate the dual compact free running fiber laser combs. It had been used for a difference of repetition rates tunable LIDAR (light detection and ranging) system. Our study shows ...

[HTML] Effects of Laser Annealing Parameters on Optical and Electrical Properties of ITO/Metallic Glass Alloy Bi-layer Films HK Lin, KC Cheng, JC Huang - Nanoscale Research Letters, 2015 ... For example, Lin and Hsu [26] patterned ITO thin-film electrodes using a high-repetition-rate fiber laser and showed that the residual stress reduced as the repetition rate increased. Lee et al. ... Lin HK, Hsu WC: Electrode patterning of ITO thin films by high repetition rate fiber laser. ...

[PDF] Efficiency of dispersive wave generation in dual concentric core microstructured fiber D Modotto, M Andreana, K Krupa, G Manili, U Minoni… - arXiv preprint arXiv: …, 2015 ... The second source is a mode-locked fiber laser emitting 120 ps pulses at 1030 nm: its output fiber pigtail was directly spliced to the MF. ... For comparison, we report in Fig. 4 the spectra that are measured at the MF output by using the fiber laser emitting at 1030 nm. ...

Multimilliwatt ultrashort pulses continuously tunable in the visible from a compact fiber source ΚΙ Μουτζούρης, F Adler, F Sotier, D Träutlein… - 2015 ... Τύπος Τεκμηρίου: Δημοσίευση σε περιοδικό. Όνομα Περιοδικού: Optics Letters. We report on a single-pass device that efficiently converts the broadband near-infrared output from a femtosecond fiber laser into a narrow spectrum in the visible. ...

A study of keyhole geometry in laser welding of zinc-coated and uncoated steels using a coaxial observation method J Kim, S Oh, H Ki - Journal of Materials Processing Technology, 2015 Experiments were conducted over a large process parameter space using a 2 kW multi-mode fiber laser, and the effect of zinc-coating on the keyhole geometry. ... Experiments were conducted using a 2 kW multi-mode fiber laser (IPG YLS 2000) with a wavelength of 1070 nm. ...

Spectroscopic and laser properties of Er 3+ doped fluoro-phosphate glasses as promising candidates for broadband optical fiber lasers and amplifiers S Babu, M Seshadri, VR Prasad, YC Ratnakaram - Materials Research Bulletin, 2015 Abstract Different fluoro-phosphate glasses doped with 0.5 mol% Er 3+ doped are prepared by melt quenching method. Both structural and spectroscopic properties have been characterized in order to evaluate their potential as both laser source and amplifier ...

[PDF] Fundamental investigation of gas injection in microfluidic shale fracture networks at geologic conditions ML Porter, J Jiménez-Martínez, JW Carey… - 2015 ... 9. McCulloch, Q., AM Dattelbaum, G. Rodriguez, RL Sandberg, and KW Staggs. 2012. Fiber-Based Ultrafast Laser Fabrication System with Application to Chirped Fiber Bragg Grating Sensors. In Fiber Laser Applications, San Diego, California, 1-2 February 2012, JTh2A-24. ...

Analysis of a seventeenth-century panel painting by reflection terahertz time-domain imaging (THz-TDI): contribution of ultrafast optics to museum collections … CLK Dandolo, T Filtenborg, J Skou-Hansen… - Applied Physics A, 2015 ... 2.2 Analytical instrumentation. 2.2.1 THz-TDI. THz-TDI was performed with a Picometrix T-ray 4000 device, consisting of a femtosecond fiber laser coupled with 5-m-long umbilical cords to a photoconductive terahertz transceiver head mounted on an XY-scanning stage. ...

[HTML] 700 MW peak power of a 380 fs regenerative amplifier with Tm: YAP A Wienke, D Wandt, U Morgner, J Neumann, D Kracht - Optics Express, 2015 ... [CrossRef]. 4. N. Leindecker, A. Marandi, RL Byer, KL Vodopyanov, J. Jiang, I. Hartl, M. Fermann, and PG Schunemann, “Octave-spanning ultrafast OPO with 2.6–6.1 μm instantaneous bandwidth pumped by femtosecond Tm-fiber laser,” Opt. Express 20, 7046–7053 (2012). ...

Data-driven based analyzing and modeling of MIMO laser welding process by integration of six advanced sensors D You, X Gao, S Katayama - The International Journal of Advanced Manufacturing …, 2015 ... The laser beam with a 0.2-mm focus diameter was transmitted by a 0.2-mm fiber. Material used in this research was stainless steel type 304. ... Optical radiation coming from the dichroic mirror in laser head was transmitted to photodiode box through optical fiber. As shown in Fig. ...

[HTML] A novel endovenous laser ablation strategy of treatment of greater saphenous vein varicosities with difficult wire placement Y Liang, Y Jia, Z Zhang, F Xu, Q Yang, J Yan, D Gao… - International Journal of …, 2015 ... Local pain, ecchymosis, induration, paraesthesia in treated regions, thrombotic diseases, vein diameter, treated vein length, delivered energy, operation duration, success rate in placement of the laser fiber and venous clinical severity (VCS) scores were recorded for both group ...

[PDF] The rotational memory effect of a multimode fiber LV Amitonova, AP Mosk, PWH Pinkse - arXiv preprint arXiv:1506.07960, 2015 ... 1). A single-mode fiber is used to clean the laser mode and to expand the laser beam to match the surface of our spatial light modulator. ... By writing gratings with different k-vectors over the DMD area, we adjust the position of the focused laser beam on the fiber input facet. ...

Nephelauxetic effect and radial integrals of Tm 3+ in crystals D Petrov - Spectrochimica Acta Part A: Molecular and …, 2015 ... from 4f–4f transitions [8]. Solid-state lasers with gain media activated with Tm 3+ ions in low concentrations generate stimulated emission in the IR region between 1.8 μm and 2.3 μm, mostly via the 3 H 4 → 3 H 6 laser transition [9]. Tm 3+ ions have been used in fiber lasers [10 ...

[PDF] Numerical Analysis and in-situ Observation of bubble Behavior and Microporosity Formation in Laser Beam Welds of Aluminum Alloy Q Zhou, Y Honshou, H Mori, F Miyasaka, Y Uemura… - 溶接学会論文集, 2015 ... Reference 1) Y.Kawahito, N.matsumoto, Y.Abe and S.Katayama, “Relationship of laser absorption to keyhole behavior in high power fiber laser welding of stainless steel and aluminum alloy” Journal of Materials Processing Technology(2011), vol.211, pp.1563-1568. ...

A Novel Fiber-Optic Based Micro-Probe Using Hexagonal 1-in-6 Fiber Configuration for Intracellular Single-Cell pH Measurement Q Yang, H Wang, S Chen, X Lan, H Xiao, H Shi, Y Ma - Analytical Chemistry, 2015 ... was used to control the irradiation time. A 20× objective was used to focus the laser beam into the center fiber. A fiber-coupling syringe was immobilized onto a three-dimensional (3-D) manipulation μ-stage with stepping accuracy of 0.05 μm. The probe's sensing head was ...

Low loss silicon microring resonator as comb filter Q Deng, H Yi, Q Long, X Wang, Z Zhou - Optics Communications, 2015 ... 3; G. Sun, DS Moon, A. Lin, W. Han, Y. Chung; Tunable multiwavelength fiber laser using a comb filter based on erbium–ytterbium co-doped polarization maintaining fiber loop mirror. Opt. Express, 16 (2008), p. 3652. ...

[PDF] МНОГОВОЛНОВЫЕ ЛАЗЕРНЫЕ СИСТЕМЫ ПИКО-И НАНОСЕКУНДНЫХ ИМПУЛЬСОВ УФ-И ИК-СПЕКТРАЛЬНЫХ ДИАПАЗОНОВ СП Садовский - Москва, 2015 ... терагерцевых источников. При этом перспективными являются двухчастотные лазеры, в которых выходное излучение генерируется в результате ... YAG-лазер со следующими ... мод. Представлены параметры выходного излучения двухчастотного лазера в ...

[PDF] АНАЛИЗ ПРИМЕНЕНИЯ ПОКРЫТИЙ ИЗ КОБАЛЬТОВЫХ СПЛАВОВ В РАЗЛИЧНЫХ ОБЛАСТЯХ МАШИНОСТРОЕНИЯ, ПОЛУЧЕННЫХ МЕТОДОМ ЛАЗЕРНОЙ … АР Нигай, АК Шелестова ... В то же время, использование лазера в качестве источника позволяет ... Для проведения эксперимента было использовано следующее оборудование: иттербиевый волоконный лазер ЛС-4 ... 50, совмещающая в себе функцию фокусировки лазерного излучения на ...

02 07 2015 Fiber lasers / Волоконные лазеры от GOOGLE

All optical mode controllable Er-doped random fiber laser with distributed Bragg gratings WL Zhang, R Ma, CH Tang, YJ Rao, XP Zeng, ZJ Yang… - Optics Letters, 2015 Abstract An all-optical method to control the lasing modes of Er-doped random fiber lasers (RFLs) is proposed and demonstrated. In the RFL, an Er-doped fiber (EDF) recoded with randomly separated fiber Bragg gratings (FBG) is used as the gain medium and randomly ...

[HTML] Fabrication of embedded microball lens in PMMA with high repetition rate femtosecond fiber laser C Zheng, A Hu, R Li, D Bridges, T Chen - Optics Express, 2015 Abstract Embedded microball lenses with superior optical properties function as convex microball lens (VMBL) and concave microball lens (CMBL) were fabricated inside a PMMA substrate with a high repetition rate femtosecond fiber laser. The VMBL was created by ...

Above 100 nJ solitons from a passively mode-locked thulium-doped fiber oscillator W Zhou, D Shen - Laser Physics Letters, 2015 We report on stable nanosecond pulses with a non-symmetrical shape and high energy from a passively mode-locked thulium (Tm) fiber oscillator in the purely anomalous dispersion regime. The laser generated wave-breaking-free solitons with pulse widths increased from ...

Continuously tunable wavelength output from an Er-doped fiber femtosecond optical frequency comb with single-point frequency-doubling technique H Liu, SY Cao, F Meng, BK Lin, ZJ Fang - Laser Physics, 2015 Femtosecond optical frequency combs (FOFCs) with wavelengths covering the visible range have potential applications in the absolute frequency measurement of iodine-stabilized lasers and optical clock lasers. In this paper, an Er-FOFC with a tunable wavelength ...

QUANTUM DOT SOA-SILICON EXTERNAL CAVITY MULTI-WAVELENGTH LASER Y Zhang, S Yang, MJ Hochberg, T Baehr-jones - US Patent 20,150,180,201, 2015 ... Two filters with triple bandpasses and dual bandpasses, respectively, were fabricated and applied to an erbium-doped fiber ring laser. ... An All-Normal-Dispersion (ANDi) Yb-doped fiber laser has been demonstrated with a spectral filter instead of the grating pair in the cavity. ...

SYSTEM FOR LASER DETECTION WITH ENHANCED FIELD OF VIEW WC Ruff, BL Stann, MM Giza, WB Lawler - US Patent 20,150,177,383, 2015 ... 4 is a schematic diagram of LADAR transceiver 100 according to an embodiment herein. In FIG. 4, a trigger signal from field-programmable gate array (FPGA) 10 commands laser 15 (eg, an Erbium fiber laser) to emit a short pulses of light (eg, 2-3 ns pulses, at 200 kHz). ...

FREEING PIPE STUCK IN A SUBTERRANEAN WELL E Bakri, ME Whittaker, NG Skinner - US Patent 20,150,176,356, 2015 ... If the laser 38 is positioned downhole, as in the FIG. 4 example, a 2-3 kW ytterbium doped fiber laser with an emission wavelength of 1070 nm would be suitable. If the laser 38 is remotely positioned, as in the FIG. 6 example ...

OPTICAL FIBER CLEAVING MECHANISM AND METHOD OF USE PT Krechting, PT Rutgers, KJ Van Assenbergh… - US Patent 20,150,177,460, 2015 ... An alternative for mechanical cleaving is laser cutting. US Pat. No. 6,963,687 discloses a process for cutting an optical fiber by means of a laser. Very ... The laser cuts the fiber and polishes the end face of the fiber simultaneously. The ...

Pulsed laser induced breakdown in solid state materials and air Z Sun - 2015 ... Qassim, Omar. Metal vapor lasers are a promising candidate for high power laser systems and have been a recent area of interest. ... [2010-06-25] Analysis and modeling of phase noise in LOCSET and the AFRL high power fiber test bed . ...

FIBER STRETCHER MODULE FOR USE IN THE 1550 NM WAVELENGTH RANGE L Gruner-nielsen - US Patent 20,150,177,462, 2015 ... modules for use in the 1550 nm wavelength range. More specifically, embodiments of the present invention relate to a fiber stretcher module for dispersion management in short pulse laser systems. 2. Description of the Related Art. ...

LASER LIFT OFF SYSTEMS AND METHODS JP Sercel, M Mendes, J Fu - US Patent 20,150,179,523, 2015 ... The laser 1120 may include, without limitation, an excimer laser, a diode pumped solid state (DPSS) laser, a fiber laser, or an ultrafast laser at the desired wavelength. An ultrafast laser is generally a laser capable of emitting ...

RAPID MANUFACTURING OF POROUS METAL PROSTHESES J Li, AM Griner - US Patent 20,150,173,903, 2015 ... In an exemplary embodiment, the applying step 108 of method 100 (FIG. 1) involves a direct metal laser sintering (DMLS) process, where the energy source is a focused, high-powered laser 400 (eg, a ytterbium fiber optic laser). ...

FIBER PIGTAIL WITH INTEGRATED LID T Barwicz, PF Fortier, T Lichoulas - US Patent 20,150,177,466, 2015 ... techniques. The stripped 1×N fiber ribbon 20 end is cleaved at operation 306. Cleaving may be performed mechanically using a tension cleaver and/or using a CO 2 laser. Cleaving is the process of cutting a fiber 30. At operation ...

[HTML] Ultrafast pre-breakdown dynamics in Al 2 O 3/SiO 2 reflector by femtosecond UV laser spectroscopy J Du, Z Li, B Xue, T Kobayashi, D Han, Y Zhao, Y Leng - Optics Express, 2015 ... Ultrafast pre-breakdown dynamics in Al 2 O 3 /SiO 2 reflector by femtosecond UV laser spectroscopy. ... Bing Xue, Takayoshi Kobayashi Advanced Ultrafast Laser Research Center, University of Electro-Communications, 1-5-1, Chofugaoka, Chofu, Tokyo 182-8585, Japan. ...

DUAL WAVELENGTH ANNEALING METHOD AND APPARATUS AM Hunter, JR Johnson - US Patent 20,150,179,473, 2015 ... about 300 nm and about 500 nm, for example about 450 nm. The first energy emitter 212 may be a fiber coupled laser or a fiber coupled laser diode array. The first energy emitter 212 may emit radiant energy with a power between ...

METHOD AND APPARATUS FOR NON-ROTARY HOLEMAKING BY MEANS OF CONTROLLED FRACTURING WQ Tingley III, WQ Tingley, DR Bradley - US Patent 20,150,174,784, 2015 ... Severe limitations and inability of EDM, laser-cutting, and hard tool drilling to produce angled holes, non-round holes, and tapered or flared hole walls are also an issue in addition to the inability of EDM to machine non-metallic materials such as carbon fiber composites. ...

[PDF] Trapping Cold Atoms Using Surface Plasmons with Phase Singularities Generated by Evanescent Bessel Beams NTP Lan, DTT Nga, NA Viet - Journal of Physics: Conference Series, 2015 ... When a laser Bessel beam light is totally reflected internally at the planar surface of a dielectric on which a thin film has been deposited ... trap [3], based on the use of an evanescent wave occurred around a quasi-one-dimensional micro-nano structure, such as optical fiber [4], thin ...

Switchable-Gain Optical Amplifier C Wang, L Gong, L Qiao, W Guan - US Patent 20,150,180,196, 2015 ... In certain implementations, multitasking and parallel processing may be advantageous. Previous Patent: OPTICAL FIBER COUPLER AND OPTICAL FIBER AMPLIFIER Next Patent: Short Pulse Laser With Amplifier And Adjustable Pulse Sequence. ...

SU-ET-167: Characterization of In-House Plastic Scintillator Detectors Array for Radiation Therapy T Zhu, H Liu, A Dimofte, A Darafsheh, H Lin, A Kassaee… - Medical Physics, 2015 ... Each point PSD is a plastic scintillating fiber-based detector designed for highly accurate measurement of small radiotherapy fields used in patient plan verification and machine commissioning and QA procedures. A parallel ...

ELECTRO-OPTICAL SINGLE CRYSTAL ELEMENT, METHOD FOR THE PREPARATION THEREOF, AND SYSTEMS EMPLOYING THE SAME P Han, W Yan - US Patent 20,150,177,536, 2015 ... or channel waveguides and switches (with appropriate losses) may be employed with the present electro optical crystal element employed as a switch, coupling element, or other functional element in an a small crystal between either electrode, with the laser fiber linking to the ...

30 06 2015 Fiber lasers / Волоконные лазеры от GOOGLE

[HTML] Passive Q-switching of an all-fiber laser induced by the Kerr effect of multimode interference S Fu, Q Sheng, X Zhu, W Shi, J Yao, G Shi… - Optics Express, 2015 Abstract A novel passively Q-switched all-fiber laser using a single mode-multimode-single mode fiber device as the saturable absorber based on the Kerr effect of multimode interference is reported. Stable Q-switched operation of an Er 3+/Yb 3+ co-doped fiber ...

Tm-Ho codoped fiber saturable absorber based passive Q-switching with subsidiary pump M Tao, G Feng, F Wang, T Yu, Y Shen, Z Wang, X Ye - Laser Phys, 2015 Abstract A Tm-Ho codoped fiber saturable absorber based passively Q-switched fiber laser with a subsidiary pump is built. The repetition rate improvement with a subsidiary pump is observed. The average increases of the repetition rate are about 1 kHz and 1.5 kHz with a ...

Statistical Characteristics of Surface Integrity by Fiber Laser Cutting of Nitinol Vascular Stents CH Fu, JF Liu, A Guo - Applied Surface Science, 2015 Abstract Nitinol alloys have been widely used in manufacturing of vascular stents due to the outstanding properties such as superelasticity, shape memory, and superior biocompatibility. Laser cutting is the dominant process for manufacturing Nitinol stents. ...

Azimuthally polarized, passively Q-switched Yb-doped fiber laser L Zou, Y Yao, X Han, J Liu, Y Xu, J Li - Optics Communications, 2015 Abstract An azimuthally polarized and passively Q-switched ytterbium-doped fiber laser was demonstrated. With the involvement of a single lens inside the laser resonator, a birefringent crystal was used as the polarization discriminator, and a Cr 4+: YAG crystal acted as the ...

[HTML] Tunable, high-power, continuous-wave dual-polarization Yb-fiber oscillator P Zeil, V Pasiskevicius, F Laurell - Optics Express, 2015 ... Fan, “High-power, stable dual-wavelength tunable Er:Yb fiber laser using volume Bragg gratings,” Appl. Phys. ... 2014 (2). J. Liu, D. Shen, H. Huang, T. Zhao, X. Zhang, and D. Fan, “High-power, stable dual-wavelength tunable Er:Yb fiber laser using volume Bragg gratings,” Appl. ...

SU-ET-137: Attenuation of Carbon Fiber IGRT Couch Top for SBRT By Using a MapCheck 2 and Ion Chamber K Dou, B Li, M Jacobs, B Laser, F Lerma, M Sarfaraz - Medical Physics, 2015 Purpose: It is common to use posterior oblique beams in intensity-modulated radiation therapy (IMRT) and volumetric-modulated arc therapy (VMAT) for regular and stereotactic body radiotherapy (SBRT). Beam attenuation by the treatment couch is not negligible ...

Laser spike annealing using fiber lasers S Anikitchev - US Patent 20,150,179,449, 2015 Abstract: The disclosure is directed to laser spike annealing using fiber lasers. The method includes performing laser spike annealing of a surface of a wafer by: generating with a plurality of fiber laser systems respective CW output radiation beams that partially overlap ...

… -arrhythmic electrical rate of atrial conduction and distinct cardiac Cxs contribution in HL-1 cell lineP417Pulmonary vein isolation by laser balloon ablation: is energy … E Passini, P Rossi, F Cacciani, S Kettlewell, R Rizzetto… - Europace, 2015 Purpose: Hypertrophic cardiomyopathy (HCM) is a genetic disorder characterised by increased arrhythmic risk, and still lacking of specific pharmacological treatment. Electrophysiological changes include increased late sodium (INaL) and sodium-calcium ...

Thulium-doped fiber sources for novel applications Z Li - 2015 ... To start with, a fiber laser pumped TDFA is developed. It provides high gain (>35 dB), noise figure (NF) as low as 5 dB, and over 100nm wide bandwidth around 2 μm. As a crucial step forward, diode-pumping scheme of TDFAs is investigated. Amplification in the range 1810. ...

CONTROLLABLE MULTI-WAVELENGTH LASER SOURCE J XU, G Cho - US Patent 20,150,180,194, 2015 In at least one embodiment a laser system includes a fiber laser source, a polarization controller and a wavelength converter. ... Kind Code: A1. Abstract: In at least one embodiment a laser system includes a fiber laser source, a polarization controller and a wavelength converter. ...

[PDF] Low-Threshold Broadband Spectrum Generation by Amplification of Cascaded Stimulated Raman Scattering in an Ytterbium-Doped Fiber Amplifier CM LEI, R SONG, AJ JIN, J HOU - 中国物理快报, 2015 ... The cascaded SRS is achieved by using a long passive fiber pumped by a pulsed fiber laser cen- tered at wavelength 1064nm. ... Wavelength (nm) In tensity (dB) (a) (b) Time (T10-5s) Fig. 2. Output results of the nanosecond fiber laser seed (a) temporal result, (b) spectral result. ...

Multimode fiber combiners JN Farmer, RC Mehl, RG Waarts - US Patent 9,063,289, 2015 ... 20120219026, UV-GREEN CONVERTING FIBER LASER USING ACTIVE TAPERS, August, 2012, Saracco et al. 8248688, Tandem photonic amplifier, August, 2012, Baird et al. ... 8068705, Single-mode high-power fiber laser system, November, 2011, Gapontsev et al. ...

SYSTEMS AND METHODS FOR MODIFYING AND ADDING FEATURES ON GRINDING WHEEL SURFACES JP Rizzo, GM Reed - US Patent 20,150,174,729, 2015 ... wheel. 3. The method of claim 1, wherein the laser comprises at least one of a Nd:YAG laser, a CO 2 laser, and a fiber laser. 4. The method of claim 1, further comprising translating the laser across a width of the grinding surface. ...

Highly sensitive bending sensor based on multimode–multimode–coreoffset fiber structure Y Qi, L Ma, J Sun, Z Kang, Y Bai, S Jian - Optics & Laser Technology, 2015 Abstract In this paper, we present a simple fiber optic bending sensor based on the multimode–multimode structure combining with the core-offset fiber structure. The multimode– multimode structure is composed of no core fiber (NCF) with hundreds of micrometers in ...

Combined Endoscopic Optical Coherence Tomography and Laser Induced Fluorescence JK Barton, AR Tumlinson, U Utzinger - Optical Coherence Tomography: Technology …, 2015 ... Previously research with fiber-optic probes reported that diffuse reflectance spectroscopy did not improve sensitivity and specificity of fluorescence ... and recently imaging systems have been developed to acquire NIR autofluorescence [108] or allow pulsed UV laser delivery [109 ...

Multiple Modes of a Photonic Crystal Cavity on a Fiber Tip for Multiple Parameter Sensing M Boerkamp, Y Lu, J Mink, Z Zobenica… - 2015 ... The red laser directs light via the optical fiber and the 1x2 splitter onto the PhC cavity. ... 2010. [20] ACL Wong, WH Chung, H.-Y. Tam, and C. Lu, “Single tilted Bragg reflector fiber laser for simultaneous sensing of refractive index and temperature.,” Opt. Express, vol. 19, no. 2, pp. ...

Duration-tunable picosecond source at 560 nm with watt-level average power TH Runcorn, RT Murray, EJR Kelleher, SV Popov… - Optics Letters, 2015 ... Fig. 2. Characteristics of the 560 nm source using MO I. (a) Optical spectra of the Raman fiber laser when the PPB was operated pulsed (black) and CW (blue). (b) Second-harmonic (SH) average power and conversion efficiency as a function of fundamental average power. ...

Interferometric-type optical biosensor based on exposed core microstructured optical fiber LV Nguyen, K Hill, S Warren-Smith, T Monro - Sensors and Actuators B: Chemical, 2015 ... One port of a standard Fiber Bragg grating (FBG) interrogator (National Instruments PXle 4844) was used as the light source (tunable laser) and another port was used as a photodetector to measure the transmission spectrum of the device. ...

SYSTEMS AND METHODS FOR DRESSING GRINDING WHEELS JP Rizzo, GM Reed - US Patent 20,150,174,731, 2015 ... wheel. 3. The method of claim 1, wherein the laser comprises at least one of a Nd:YAG laser, a CO 2 laser, and a fiber laser. 4. The method of claim 1, further comprising translating the laser across a width of the grinding surface. ...

Compact modular free electron laser (FEL) architecture MS Curtin - US Patent 9,065,244, 2015 ... FIG. 6 illustrates a seeded dual gain stage oscillator straight-line FEL architecture with a solid state laser (SSL)/fiber laser and wherein the gain generator is a two-gain-stage oscillator employing two wigglers according to at least one embodiment disclosed herein,. FIG. ...

[PDF] РАБОЧАЯ ПРОГРАММА ДИСЦИПЛИНЫ «Современные лазеры и лазерные технологии» Б1. В. ДВ. 1-2 ВГ Шпак ... Дисковые лазеры. Волоконные лазеры. ... Лазеры ультракоротких импульсов и их применения. ... Для проведения занятий по дисциплине используются: компьютерный класс, лаборатории Института, оборудование: спектрофотометр, гелий- неоновый лазер. ...

[PDF] МЕТОДОЛОГИЯ ПРОЕКТИРОВАНИЯ ОПТИЧЕСКИХ ПРИБОРОВ АА Шехонин, ВМ Домненко, ОА Гаврилина Page 1. МИНИСТЕРСТВО ОБРАЗОВАНИЯ И НАУКИ РОССИЙСКОЙ ФЕДЕРАЦИИ УНИВЕРСИТЕТ ИТМО А. А. Шехонин, В. М. Домненко, О. А. Гаврилина МЕТОДОЛОГИЯ ПРОЕКТИРОВАНИЯ ОПТИЧЕСКИХ ПРИБОРОВ Учебное пособие Санкт-Петербург 2015 ...

[PDF] Программа составлена на основании программы-минимум кандидатского экзамена по курсу «История и философии науки», утвержденной приказом … ГН Кузьменко, ОБ Скородумова Page 1. ФЕДЕРАЛЬНОЕ ГОСУДАРСТВЕННОЕ БЮДЖЕТНОЕ ОБРАЗОВАТЕЛЬНОЕ УЧРЕЖДЕНИЕ ВЫСШЕГО ПРОФЕССИОНАЛЬНОГО ОБРАЗОВАНИЯ «РОССИЙСКИЙ ГОСУДАРСТВЕННЫЙ СОЦИАЛЬНЫЙ УНИВЕРСИТЕТ» © РГСУ экз. № ___ 1 ...

[PDF] … И НЕЛИНЕЙНО-ОПТИЧЕСКАЯ ДИАГНОСТИКА МАТЕРИАЛОВ С ПОМОЩЬЮ ФЕМТОСЕКУНДНОГО ЛАЗЕРНОГО ИЗЛУЧЕНИЯ И АТОМНО-СИЛОВОЙ … АН Степанов ... наноструктур с помощью иглы атомно-силового микроскопа и фемтосекундного лазерного излучения ... 15 Рассеянный сигнал Возбуждающее лазерное излучение Зонд АСМ ... Характерная схема эксперимента изображена на рисунке 1.2. Излучение Ti:Sa лазера с ...

14 02 2015 Fiber lasers / Волоконные лазеры от GOOGLE

Генерация пикосекундных импульсов в волоконном иттербиевом лазере с нелинейным волоконным зеркалом (эксперимент и математическое …

АА Бородкин, ДВ Худяков, СК Вартапетов - Квантовая Электроника, 2015
Аннотация Исследованы режимы работы импульсного волоконного лазера с нелинейным волоконным зеркалом, выполненного полностью на волокнах с нормальной дисперсией и с поддержкой поляризации, что обеспечивало...

Спектрально-люминесцентные характеристики переходов 5 I 7 5 I 8 иона гольмия в заготовках и волокнах на основе алюмосиликатного стекла, …

ПА Рябочкина, АН Чабушкин, АФ Косолапов… - Квантовая Электроника, 2015
... c a Мордовский государственный университет b Научный центр волоконной оптики РАН ... I 7 ионов Ho 3+ в алюмосиликатных волоконных световодах, легированных ... Ключевые слова: ионы Ho 3+ , алюмосиликатное стекло, волоконные световоды, люминесценция ...

[PDF] Динамика формирования и взаимодействия ультракоротких импульсов в лазерах с пассивной синхронизацией мод

АК Комаров
... Как разновидность твердотельных лазеров, волоконные генераторы обладают всеми их достоинствами. ... 2. Для пары связанных солитонов волоконных лазеров характерны фазовые ... Romania, 2006; Всероссийская конференция по волоконной оптике, Пермь ...

[PDF] ГЕНЕРАЦИЯ СУПЕРКОНТИНУУМА ДВУХМИКРОННОГО ДИАПАЗОНА В ВОЛОКНАХ НА КВАРЦЕВОЙ ОСНОВЕ

ВА КАМЫНИН
... мощности. С этой целью использовались волоконные усилители, чей рабочий ... применение" (ВНКШ-2012) (г. Саранск, 2012 г.), Всероссийская конференция по волоконной оптике (г. ... иттербиевого волоконного лазера, мультиплексора на 1120/2100 нм и ...

[PDF]Welding of PMMA by a femtosecond fiber laser

A Volpe, F Di Niso, C Gaudiuso, A De Rosa… - Optics Express, 2015
Abstract Developing versatile joining techniques to weld transparent materials on a micrometer scale is of great importance in a growing number of applications, especially for the fabrication and assembly of biomedical devices. In this paper, we report on fs-laser ...

2µm actively Q-switched all fiber laser based on stress-induced birefringence and commercial Tm-doped silica fiber

S Fu, Q Sheng, W Shi, X Tian, Q Fang, J Yao - Optics & Laser Technology, 2015
Abstract An actively Q-switched all-fiber laser operating at the wavelength of 1920 nm is experimentally demonstrated based on a readily accessible commercial Tm-doped silica fiber. The Q-switching is achieved by polarization modulation through the stress-induced ...

Experimental demonstration of optical fiber laser with octagonal-shaped core

Y Wang, L Liao, N Zhao, J Peng, N Dai, H Li, J Li - Applied Physics A, 2015
Abstract Double-cladding Yb 3+-doped fiber with octagonal core is designed and fabricated using solution doping techniques. According to the simulated results, the octagonal-core fiber with core/cladding diameter of 30/250 μm has decreased the number of mode ...

Study on the thermal distribution and thermal management of high average power fiber lasers

Z Yongliang, Z Lei, L Xiaobao, L Chao, Z Taidou… - Proc. of SPIE Vol, 2015
... Thermal distribution and thermal management in fiber laser system integration is introduced in this article. ... There are LD(Laser Diode), FBG(fiber Bragg grating), YDF(ytterbium doped fiber), combiners, CPS(cladding power stripper), and Endcap in the fiber laser path. ...

Observation of the evolution of mode-locked solitons in different dispersion regimes of fiber lasers

Z Shao, X Qiao, Q Rong, D Su - Optics Communications, 2015
An all-fiber laser of mode-locked solitons based on the nonlinear polarization rotation (NPR) is proposed with a simple fiber ring cavity. ... An all-fiber laser of mode-locked solitons based on the nonlinear polarization rotation (NPR) is proposed with a simple fiber ring cavity. ...

[HTML]Linear compression of chirped pulses in optical fibre with large step-index mode area

SV Smirnov, SM Kobtsev, SV Kukarin - Optics Express, 2015
... 23. M. Horowitz, Y. Barad, and Y. Silberberg, “Noiselike pulses with a broadband spectrum generated from an erbium-doped fiber laser,” Opt. Lett. ... 2. B. Ortaç, M. Plötner, J. Limpert, and A. Tünnermann, “Self-starting passively mode-locked chirped-pulse fiber laser,” Opt. ...

Single-longitudinal-mode BEFL incorporating a Bragg grating written in EDF

Y Gao, J Sun, G Chen, H Xie - Optics Communications, 2015
A stable and tunable single-longitudinal-mode (SLM) Brillouin/Erbium fiber laser (BEFL) with narrow linewidth is proposed and experimentally demonstrated. A uni. ... The fiber laser can be regarded as a free-running EDFL when there is no BP injection. ...

Spectroscopy and laser cooling on the {}^{1} S_ {0}–\,^{3} P_ {1} line in Yb via an injection-locked diode laser at 1,111.6 nm

N Kostylev, CR Locke, ME Tobar, JJ McFerran - Applied Physics B, 2015
... The technique here uses a low-power fiber laser at 1,111.6 nm, and then through optical injection of a semiconductor diode laser, the available power is increased while maintaining the low noise characteristic of the fiber laser. ...

Influence of Bi on embedded nanocrystal formation and thermoelectric properties of GaAs

MV Warren, JC Canniff, H Chi, F Naab, VA Stoica… - Journal of Applied Physics, 2015
... In this approach, pump-probe experiments are performed using short ($100 fs) pump pulses from an Er- doped fiber laser (1550nm), followed by probe pulses from a frequency-doubled Er-doped fiber laser operating at 150 fs (780 nm). ...

[HTML]Gain-guided index-antiguided fiber with a Fabry-Perot layer for large mode area laser amplifiers

CH Lai, HY Chen, CH Du, YP Chiou - Optics Express, 2015
Abstract We propose a modified gain-guided index-antiguided (GGIAG) fiber structure for large mode area laser amplifiers, in which a thin dielectric layer is placed between the low-index core and the high-index cladding. The introduced dielectric layer functions as a ...

Prediction of Interfacial Thermal Resistance of Carbon Fiber in One Dimensional Fiber-reinforced Composites using Laser Flash Analysis

N Hu, SW Chiang, J Yi, X Li, J Li, H Du, C Xu, Y He… - Composites Science and …, 2015
Abstract Laser flash analysis (LFA) is a sophisticated method to access the thermal diffusivity of homogeneous planar samples with very little effort. LFA measurement on fiber-reinforced composites, however, often generates inconsistent results due to violation of ...

Fluorescence color diversity of great barrier reef corals

G Lapshin, A Salih, P Kolosov, M Golovkina… - Journal of Innovative Optical …, 2015
... Corals of the Great Barrier Reef were studied with the custom-built fiber laser fluorescence spectrometers. Spectral analysis showed that most of the examined corals contained multiple fluorescent peaks ranging from 470 to 620 nm. ...

[PDF]Broadband cascaded four-wave mixing and supercontinuum generation in a tellurite microstructured optical fiber pumped at 2 μm

T Cheng, L Zhang, X Xue, D Deng, T Suzuki, Y Ohishi - Optics Express, 2015
... 2. In experiment, the first pump source was a 2 μm mode-locked fiber laser (Advalue Photonic) with the pulse width of ~2.7 ps. ... Compared with the SC spectra generated by the 2 μm mode-locked fiber laser, obvious solitons were formed in the tellurite MOF. ...

[PDF]Spatial-mode detector efficiency mismatch security loophole in free-space quantum key distribution

S Sajeed, P Chaiwongkhot, JP Bourgoin, T Jennewein… - arXiv preprint arXiv: …, 2015
... Eve's scanning setup consists of a circularly-polarized fiber laser source and collimating lens L4 on an X–Y translation stage. Bob's receiver [27] consists of a telescope (lenses L1–L2) and a passive-basis-choice polarization analyser. ...

Compact, low-noise, all-solid-state laser system for stimulated Raman scattering microscopy

T Steinle, V Kumar, A Steinmann, M Marangoni… - Optics Letters, 2015
... Shot-noise-limited detection is achieved at modulation frequencies above 5 MHz. These values of RIN are significantly better than those achievable with current state-of-the-art fiber laser systems employed for SRS microscopy. In fact, both Freudiger et al. [15 15. Ch. ...

Mid-IR quantum cascade laser mode coupling in hollow-core, fiber-optic waveguides with single-mode beam delivery

P Patimisco, A Sampaolo, JM Kriesel, G Scamarcio… - SPIE OPTO, 2015
abstract We report a theoretical and experimental study of laser coupling in hollow-core, fiber-optic waveguides with small-bore diameters of d= 200 μm. For the experiments we utilized three mid-infrared quantum cascade lasers with different emission wavelength, ...

Lead-silicate glass optical microbubble resonator

P Wang, J Ward, Y Yang, X Feng, G Brambilla… - Applied Physics Letters, 2015
... Using a $1lm diameter tapered silica optical fiber, laser light at k$775 nm from a mode-hop-free, tunable laser was coupled into the microbubbles and WGMs were excited by scanning the laser over 80 GHz with a scan frequency of 5Hz. ...

A monolithically integrated high‐efficiency Cu (In, Ga) Se2 mini-module structured solely by laser

S Nishiwaki, A Burn, S Buecheler, M Muralt, S Pilz… - Progress in Photovoltaics: …, 2015
... 12 Rekow M, Murison R, Dunsky C, Dinkel C, Pern J, Mansfield L, Panarello T, Nikumb S. CIGS P1, P2, P3 scribing processes using a pulse programmable industrial fiber laser. ... Buecheler S, Nishiwaki S, Krainer L. All fiber laser scribing of Cu(In,Ga)Se 2 thin-film solar modules. ...

Graphene oxide mode-locked Yb: GAGG bulk laser operating in the femtosecond regime

L Cui, F Lou, Y Li, J Hou, JL He, ZT Jia, JQ Liu… - Optical Materials, 2015
... 32]. Fig. 1(inset) shows the nonlinear transmittance of GO sheets which are located on a pure quartz measured by a passively mode-locked Yb-doped fiber laser at 1040 nm with a pulse duration of about 500 fs. Considering ...

An Investigation of energy loss mechanisms in water-jet assisted underwater laser cutting process using an analytical model

S Mullick, YK Madhukar, S Roy, AK Nath - International Journal of Machine Tools and …, 2015
... Cover image Cover image. An Investigation of energy loss mechanisms in water-jet assisted underwater laser cutting process using an analytical model. ... 2. Analytical model of water-jet assisted underwater laser cutting process. ...