210 W single-frequency, single-polarization, thulium-doped all-fiber MOPA

被引：66
作者：
Liu, Jiang [1 ]
Shi, Hongxing [1 ]
Liu, Kun [1 ]
Hou, Yubin [1 ]
Wang, Pu [1 ]
机构：
[1] Beijing Univ Technol, Inst Laser Engn, Natl Ctr Laser Technol, Beijing 100124, Peoples R China
来源：
OPTICS EXPRESS | 2014年 / 22卷 / 11期
基金：
中国国家自然科学基金;
关键词：
2; MU-M; OSCILLATOR POWER-AMPLIFIER; AVERAGE POWER; NARROW-LINEWIDTH; PICOSECOND PULSE; GERMANATE FIBERS; LASER; TM; MODE; GENERATION;
D O I：
10.1364/OE.22.013572
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A high-power single-frequency, single-polarization, thuliumdoped all-fiber master-oscillator power-amplifier (MOPA) is demonstrated by using all-polarization-maintaining (all-PM) thulium-doped fiber and all-PM-fiber components. The MOPA yielded 210 W of single-frequency, linear-polarized laser output at central wavelength of 2000.9 nm with a polarization extinction ratio (PER) of >17 dB. No indication of stimulated Brillouin scattering (SBS) could be observed at the highest output power level, and the output power was only currently limited by available pump power. To the best of our knowledge, this is the first demonstration of average output power exceeding 200 W from a single-frequency, single-polarization, thulium-doped all-fiber laser at 2 mu m wavelength region. (C)2014 Optical Society of America
引用
收藏
页码：13572 / 13578
页数：7
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