Results 41 to 50 of about 1,804,643 (357)

Fiber MOPAs with high control and high power [PDF]

, 2008
High power fiber sources have reached several kilowatts of output power, and are now leading contenders for many applications. Important attractions include control, efficiency, manufacturability, and reliability.
M. S. Z. Abidin, J.-N. Maran, Nilsson, J., Abidin, M.S.Z., Maran, J.-N., Codemard, C.A., Y. Jeong, Dupriez, P., Richardson, D.J., Farrell, C., Yoo, S., S. Yoo, Payne, D.N., Jeong, Y., J. Nilsson, J. Ji, J. K. Sahu, Ji, J., C. Farrell, D. J. Richardson, C. A. Codemard, P. Dupriez, Sahu, J.K., D. N. Payne   +23 more
core   +1 more source

A 7-kW narrow-linewidth fiber amplifier assisted by optimizing the refractive index of the large-mode-area active fiber

High Power Laser Science and Engineering
The high-power narrow-linewidth fiber laser has become the most widely used high-power laser source nowadays. Further breakthroughs of the output power depend on comprehensive optimization of stimulated Brillouin scattering (SBS), stimulated Raman ...
Pengfei Ma, T. Yao, Wei Liu, Z. Pan, Yisha Chen, Huan Yang, Zilun Chen, Zefeng Wang, Pu Zhou, Jinbao Chen   +9 more
semanticscholar   +1 more source

5 kW Near-Diffraction-Limited and 8 kW High-Brightness Monolithic Continuous Wave Fiber Lasers Directly Pumped by Laser Diodes

IEEE Photonics Journal, 2017
Tandem pumping technique are traditionally adopted to develop >3-kW continuous-wave (cw) Yb3+-doped fiber lasers, which are usually pumped by other fiber lasers at shorter wavelengths (1018 nm e.g.,).
Qiang Fang, Jinhui Li, Wei Shi, Yuguo Qin, Yang Xu, Xiangjie Meng, Robert A. Norwood, Nasser Peyghambarian   +7 more
doaj   +1 more source

Multi-element fiber for space-division multiplexing

, 2013
A novel approach of using multi-element fiber (MEF) technology in space-division multiplexing (SDM) systems is presented. This paper reviews the progress in fabrication and characterization of MEF based both ultra-low crosstalk transmission and amplifier
V. J. F. Rancaño, May-Smith, T.C., Petropoulos, P., Jain, S., Richardson, D.J., T. C. May-Smith, S. Jain, J. K. Sahu, D. J. Richardson, P. Petropoulos, Sahu, J.K., Rancaño, V.J.F., A. Webb, Webb, A.   +13 more
core   +1 more source

Coupled experiment/simulation approach for the design of radiation-hardened rare-earth doped optical fibers and amplifiers [PDF]

, 2011
We developed an approach to design radiation-hardened rare earth -doped fibers and amplifiers. This methodology combines testing experiments on these devices with particle swarm optimization (PSO) calculations.
F. Prudenzano, Mescia, L, Vivona, M., Girard, S, Boukenter, Aziz, A. Boukenter, Goiffon, V, Cannas, M., V. Goiffon, Mescia, Luciano, Boukenter, A, L. Mescia, Vivona, Marilena, Mescia, L., R. Boscaino, Cadier, B., P. Paillet, Paillet, P., Y. Ouerdane, Boukenter, A., Paillet, P, Paillet, Philippe, Marcandella, C, Cadier, Benoît, S. Girard, A. Laurent, Laurent, A, Robin, T, C. Marcandella, Goiffon, Vincent, Cadier, B, Ouerdane, Y., Ouerdane, Y, Girard, Sylvain, Prudenzano F, Robin, Thierry, F. Robin, Prudenzano, F, Laurent, Arnaud, Boscaino, Roberto, T. Robin, Robin, T., B. Cadier, Marcandella, C., Goiffon, V., Cannas, Marco, M. Cannas, Prudenzano, F., Boscaino, R., Prudenzano, Francesco, Ouerdane, Youcef, M. Vivona, Girard, Sébastien, Marcandella, Claude, Laurent, A.   +54 more
core   +1 more source

Optimisation of short pulse multi-stage Yb fiber amplifier systems using commercial gain-modelling software

, 2006
We demonstrate the accuracy of commercial telecommunications industry software for modelling Yb-fiber amplifiers. Simulations enabled optimisation of a broad bandwidth ultra-short pulse four-stage amplifier system. The predicted results were confirmed by
D. J. Richardson, Richardson, David J., F. He, J.H.V. Price, He, Fei, Price, Jonathan H.V.   +5 more
core   +1 more source

Single mode 4.3 kW output power from a diode-pumped Yb-doped fiber amplifier.

Optics Express, 2017
We investigate the average power scaling of two diode-pumped Yb-doped fiber amplifiers emitting a diffraction-limited beam. The first fiber under investigation with a core diameter of 30 µm was able to amplify a 10 W narrow linewidth seed laser up to 2.8
F. Beier, C. Hupel, S. Kuhn, S. Hein, J. Nold, F. Proske, B. Sattler, A. Liem, C. Jauregui, J. Limpert, N. Haarlammert, Thomas Schreiber, R. Eberhardt, A. Tünnermann   +13 more
semanticscholar   +1 more source

Measuring Optimal Length of the Amplifying Fiber in Different Working Conditions of the Amplifier

Advances in Electrical and Electronic Engineering, 2014
The aim of this article is to highlight possible unwanted behaviour of an EDFA optical amplifier during temperature changes. After a brief introduction dealing with amplifiers and doped fibers in general we focus on the assembly of our own EDFA amplifier
Radek Poboril, Petr Siska, Jan Latal, Martin Smrz, Jakub Cubik, Stanislav Kepak, Vladimir Vasinek   +6 more
doaj   +1 more source

Compact pulsed thulium-doped fiber laser for topographical patterning of hydrogels

Opto-Electronic Advances, 2020
We report the generation of high energy 2 μm picosecond pulses from a thulium-doped fiber master oscillator power amplifier system. The all-fiber configuration was realized by a flexible large-mode area photonic crystal fiber (LMA-PCF).
Lee Elizabeth, Sun Biao, Luo Jiaqi, Singh Satnam, Choudhury Deepak, Yong Derrick, Yu Xia, Wang Qijie   +7 more
doaj   +1 more source

Optimizing the spectrum of high power narrow linewidth fiber amplifier through the same complex degree of coherence

Frontiers in Physics, 2022
The spectra of narrow linewidth fiber amplifiers are closely related to both the stimulated Brillouin scattering (SBS) threshold in power scaling process and the combining efficiency in coherent beam combining (CBC) system.
Wenchang Lai, Pengfei Ma, Pengfei Ma, Pengfei Ma, Jiaxin Song, Jiaxin Song, Jiaxin Song, Shuai Ren, Wei Liu, Wei Liu, Wei Liu, Pu Zhou   +11 more
doaj   +1 more source