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

页码：1854 / 1857

页数：4

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