Stimulated Brillouin scattering threshold dependent on temporal characteristics in a kilowatt-peak-power, single-frequency nanosecond pulsed fiber amplifier

被引：8
|
作者：
Hu, Man [1 ,2 ]
Quan, Zhao [1 ]
Wang, Jianhua [3 ]
Liu, Kai [1 ]
Chen, Xiaolong [1 ]
Zhao, Chun [1 ]
Qi, Yunfeng [1 ]
He, Bing [1 ]
Zhou, Jun [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai Key Lab All Solid State Laser & Appl Tec, Shanghai 201800, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Acad Equipment, Dept Space & Command, Beijing 101416, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2016年 / 14卷 / 03期
基金：
国家高技术研究发展计划(863计划); 中国国家自然科学基金;
关键词：
HIGH SBS-THRESHOLD; 2; MU-M; LASER; BAND;
D O I：
10.3788/COL201614.031403
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The stimulated Brillouin scattering (SBS) threshold affected by repetition rate and pulse duration in a single frequency nanosecond pulsed fiber amplifier is studied. The experimental results demonstrate that the SBS threshold can be improved either by reducing the repetition rate or by narrowing the pulse duration; however, the average power may be limited in some cases. Otherwise, two evaluation methods for the SBS threshold in the fiber amplifier are compared and discussed, aiming to obtain a more accurate description for the SBS threshold in our single-frequency amplifier system.
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页数：5
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