Multi-peak output Tm-doped silica fiber laser based on femtosecond-written multi-mode fiber Bragg grating

被引：15
|
作者：
Zhang, Y. [1 ]
Song, Ch. [1 ]
Wang, W. [1 ]
机构：
[1] Harbin Inst Technol, Natl Key Lab Tunable Laser Technol, Harbin 150006, Peoples R China
来源：
LASER PHYSICS | 2009年 / 19卷 / 08期
关键词：
HIGH-POWER; LINEWIDTH;
D O I：
10.1134/S1054660X0915050X
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The all-fiber Tm-doped double-clad laser was reported, incorporating a phase mask scanning technology writing FBG directly into the Tm-doped multi-mode fiber core as cavity mirror, using 800 nm femtosecond laser sources. A fiber grating of 12 mm length was realized with a period of 1.35 mu m. Pumped by the 793 nm pigtail fiber output LD, the continuous wave (CW) power could scale to 25.4 W at 1.96 mu m with the slope efficiency of 38% respected to the LD output power. The output laser spectrum exhibited multi-peak, due to the multi-mode FBG reflective characteristic.
引用
收藏
页码：1854 / 1857
页数：4
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