High-efficiency continuous-wave Tm-doped fiber laser with a single fiber Bragg grating at 1942 nm

被引：2

作者：

Yang, Chao ^{[1
]}

Li, Xin ^{[1
]}

Zheng, Bowen ^{[1
]}

Li, Yongliang ^{[1
]}

Ju, Youlun ^{[2
]}

机构：

[1] Changchun Univ Sci & Technol, Sch Optoelect Engn, Changchun 130022, Jilin, Peoples R China

[2] Harbin Inst Technol, Natl Key Lab Tunable Laser Technol, Harbin 150080, Peoples R China

来源：

LASER PHYSICS | 2023年 / 33卷 / 12期

基金：

中国国家自然科学基金;

关键词：

single fiber Bragg grating; continuous-wave; high slope efficiency; rate equations;

D O I：

10.1088/1555-6611/ad06a5

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report a continuous-wave Tm-doped fiber (TDF) laser with a single fiber Bragg grating (FBG). The Fresnel effect presenting in the passive fiber end-face and high-reflectivity FBG established the resonator. The peak wavelength of the laser was 1942.25 nm with a spectral linewidth of 194 pm. The maximum output power was 37.5 W, corresponding to a slope efficiency of 63.7% with a beam quality factor of M-2 similar to 1.51. To the best of our knowledge, this is the highest slope efficiency of a TDF laser pumped by 793 nm laser diode.

引用

页数：7

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