Stimulated Brillouin scattering phenomena in a nanosecond linearly polarized Yb-doped double-clad fiber amplifier

被引：54
|
作者：
Ye, C. [1 ]
Yan, P. [1 ]
Huang, L. [1 ]
Liu, Q. [1 ]
Gong, M. [1 ]
机构：
[1] Tsing Hua Univ, Ctr Photon & Elect, State Key Lab Tribol, Dept Precis Instruments & Mechanol, Beijing 100084, Peoples R China
来源：
LASER PHYSICS LETTERS | 2007年 / 4卷 / 05期
关键词：
stimulated Brillouin scattering; Yb-doped fiber amplifier;
D O I：
10.1002/lapl.200610123
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A comprehensive observation of the stimulated Brillouin scattering (SBS) phenomena in a high-power nanosecond linearly polarized Yb-doped double-clad fiber amplifier is presented. According to the behavior of SBS, the amplification process is divided into four regions. All the temporal, spectral and power characteristics of SBS in both forward and backward directions in each region are described in detail. Cascaded SBS with up to 30 orders of Stokes waves and 10 orders of anti-Stokes waves is observed. The fiber damage caused by the giant SBS pulses is reported. And the influence of the linewidth pulse duration feedback and polarization on SBS is discussed.
引用
收藏
页码：376 / 381
页数：6
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