A high-power narrow-linewidth 1018 nm fiber laser based on a single-mode–few-mode–single-mode structure

被引：4

作者：

Man Jiang ^{[1
]}

Pu Zhou ^{[1
]}

Hu Xiao ^{[1
]}

Pengfei Ma ^{[1
]}

机构：

[1] College of Optoelectronic Science and Engineering, National University of Defense Technology

来源：

High Power Laser Science and Engineering | 2015年 / 3卷 / 03期

关键词：

fiber laser; 1018 nm laser;

D O I：

暂无

中图分类号：

TN248 [激光器];

学科分类号：

摘要：

We demonstrate an all-fiber high-power Yb-doped 1018 nm fiber laser with a Gaussian-shaped output beam profile based on a mismatched structure, which consists of a pair of single-mode fiber Bragg gratings and a section of few-mode double-cladding gain fiber. The output power is up to 107.5 W with an optical-to-optical efficiency of 63%, and the 3 d B band is 0.26 nm at this power level. Such a structure of single-mode–few-mode–single-mode fiber oscillator can be used to generate high-power narrow-linewidth lasing with excellent beam quality in other spectral ranges.

引用

页码：71 / 74

页数：4

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