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
收藏
页数：5
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