Compact gain-switching linearly polarized high-power Yb pulse fiber laser

被引：4
|
作者：
Wei, K. H. [1 ]
Cai, S. S. [2 ]
Jiang, P. P. [1 ,2 ]
Hua, D. C. [1 ]
Yan, Y. X. [1 ]
Wu, B. [1 ]
Shen, Y. H. [1 ]
机构：
[1] Zhejiang Univ, Dept Opt Engn, State Key Lab Modern Opt Instrument, Hangzhou 310027, Peoples R China
[2] Wenzhou Med Univ, Dept Informat Engn, Wenzhou 325000, Peoples R China
来源：
LASER PHYSICS | 2014年 / 24卷 / 08期
基金：
中国国家自然科学基金;
关键词：
Yb-doped fiber laser; gain switching; linear polarization; EFFICIENT; AMPLIFIER; OUTPUT;
D O I：
10.1088/1054-660X/24/8/085105
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A compact gain-switching pumped linearly polarized high-power Yb pulse fiber laser is experimentally demonstrated. The laser was mainly composed of a piece of polarization-maintaining (PM) Yb-doped fiber and a pair of PM FBGs. Three fiber pig-tailed laser diodes (LDs) were applied as the pump source through a (6+1) x 1 fiber coupler and configured in a pulse-working scheme. Stable pulse operation was achieved with repetition rate up to 200 kHz, pulse duration of 120 ns and a spectral FWHM of 0.08 nm. A maximum average laser output power of 21 W was obtained at 200 kHz with respect to the pump power of 30.3 W. The polarization extinction ratio was as good as 15 dB.
引用
收藏
页数：4
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