17 April 2006 Pulsed fiber laser with average output power of 133W
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Abstract
Fiber Lasers are most powerful solid state lasers available for various applications, they are capable of providing diffraction, limited power with compact, efficient and cost effictive system. In this paper, we report a master, oscillator fiber power amplifier for pulsed operation from 20kHz to 100kHz. A 4m double cladding fiber has central core of 43um and inner core of about 600/650um is used as amplifier, the seed source is a pulsed laser with output power of 1 W at 1064nm. A fraday isolator protect the seed laser from backflection from fiber amplifier. The MOPA system is analysied by transient gain model, pulsed amplified characteristics of double cladding fiber are caulated and compared with experimantal results at different pumping power and repetition rate.The fiber amplifier is pumped by laser diode at wavelength of 795nm with pumping power of 230W, the system can emits average power upto 133.8 W with repetition rate of 100kHz.
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Qihong Lou, Jun Zhou, Lingfeng Kong, Dong Xue, Zhijiang Wang, "Pulsed fiber laser with average output power of 133W", Proc. SPIE 6190, Solid State Lasers and Amplifiers II, 61900M (17 April 2006); doi: 10.1117/12.661595; https://doi.org/10.1117/12.661595
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