Monolithic Tm-doped single-mode fiber oscillator with 27.1 W output power at 1.94 μm

被引：3

作者：

Wang, Jianhua ^{[1
]}

Quan, Zhao ^{[2
]}

Shen, Hui ^{[2
]}

Chen, Xiaolong ^{[2
]}

Qi, Yunfeng ^{[2
]}

He, Bing ^{[2
]}

Zhou, Jun ^{[2
]}

机构：

[1] Acad Equipment, Dept Space & Command, Beijing 101416, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai Key Lab All Solid State Laser & Appl Tec, Shanghai 201800, Peoples R China

来源：

LASER PHYSICS LETTERS | 2018年 / 15卷 / 10期

基金：

上海市自然科学基金; 中国国家自然科学基金; 国家高技术研究发展计划(863计划);

关键词：

Tm-doped fiber oscillator; single-mode laser; near diffraction-limited; LASER; NM;

D O I：

10.1088/1612-202X/aad98c

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A single-mode monolithic continuous-wave fiber laser oscillator operating at 1.94 mu m with maximum output power of 27.1 W, using a 2.9 m single-mode thulium-doped silica fiber with 10 mu m core diameter, has been demonstrated. Sources of temperature rise and splice optimizing processing have been analyzed in detail to achieve near diffraction-limited beam quality (M-xy(2) < 1.1). A high slope efficiency with respect to incident pump power and narrow 3 dB bandwidth, of 55.5% and 0.046 nm respectively, has been determined. This fiber laser, with stable operation over 2 h, will be a promising candidate for medical and surgical applications.

引用

页数：5

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