122-W high-power single-frequency MOPA fiber laser in all-fiber format

被引：10
|
作者：
Dong, Xiaolin [1 ]
Xiao, Hu [1 ]
Xu, Shanhui [2 ]
Pan, Zhiyong [3 ]
Ma, Yanxing [1 ]
Wang, Xiaolin [1 ]
Zhou, Pu [1 ]
Yang, Zhongmin [2 ]
机构：
[1] Natl Univ Def Technol, Coll Optoelect Sci & Engn, Changsha 410073, Hunan, Peoples R China
[2] S China Univ Technol, Inst Opt Commun Mat, Guangzhou 510641, Guangdong, Peoples R China
[3] China Elect Technol Grp Corp, Res Inst 23, CETC 23RI, Shanghai 201900, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2011年 / 9卷 / 11期
关键词：
OUTPUT POWER; AMPLIFIER;
D O I：
10.3788/COL201109.111404
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate a high-power single-frequency master oscillator power amplifier (MOPA) fiber laser. The central wavelength of the single-frequency fiber laser seed is 1 063.8 nm, with a linewidth narrower than 20 kHz and output power of 120 mW. By using two-stage amplification, a single-frequency fiber laser with an output power of 122 W is obtained, and the optical-optical conversion efficiency is 72%. No significant; amplified spontaneous emission (ASE) or stimulated Brillouin scattering (SBS) is observed. The, output power can be further increased by launching more pump power.
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页数：3
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