Yb3+-doped double-clad fiber laser based on fiber Bragg grating

被引：10

作者：

Fu, SG ^{[1
]}

Fan, WD ^{[1
]}

Zhang, Q ^{[1
]}

Wang, Z ^{[1
]}

Li, LJ ^{[1
]}

机构：

[1] Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R China

来源：

ACTA PHYSICA SINICA | 2004年 / 53卷 / 12期

关键词：

double-clad fiber grating; Yb3+ -doped double-clad fiber laser; phase-mask method; rate equation;

D O I：

10.7498/aps.53.4262

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Fiber Bragg grating (FBG) was successfully fabricated in a Yb3+-doped double-clad fiber with D-shaped inner-cladding by using phase-mask method. Based on the FBG, a stable narrow line-width double-clad fiber laser was successfully demonstrated which resolved the output instability caused by mode-competition in common double-clad fiber lasers. The maximum output power is 570 mW at the wavelength 1058.2 nm with 0.196 nm line-band. Based on rate equations, the relationship between output power and pump power, the reflectivity of the FBG and the optimized length of the fiber were analyzed, which were in good agreement with the experimental results.

引用

页码：4262 / 4267

页数：6

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