Passively Q-switched ytterbium-doped double-clad fiber laser with a Cr4+:YAG saturable absorber

被引：63
|
作者：
Pan, Lei [1 ]
Utkin, Ilya [1 ]
Fedosejevs, Robert [1 ]
机构：
[1] Univ Alberta, Dept Elect & Comp Engn, Edmonton, AB T6G 2V4, Canada
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2007年 / 19卷 / 21-24期
基金：
加拿大自然科学与工程研究理事会;
关键词：
Cr4+: YAG saturable absorber (SA); double-clad (DC) Yb fiber laser; passive Q-switch;
D O I：
10.1109/LPT.2007.909700
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A high-power and high-repetition-rate passively Q-switched ytterbium-doped single-mode double-clad fiber laser was built using a Cr4+:YAG saturable absorber (SA). Two different SAS with initial transmissions of T-0 = 30% and T-0 = 50% were studied. At the maximum coupled pump power of 9.8 W, an output power of 4.7 W, pulse duration of 143 ns, pulse repetition rate of 253 KHz, pulse energy of 18.5 mu J, and slope efficiency of 49% were obtained with the T-0 = 30% SA.
引用
收藏
页码：1979 / 1981
页数：3
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