63 W wing-pumped Tm:YAG single-crystal fiber laser

被引：10

作者：

Wang, Jianlei ^{[1
,2
]}

Dong, Jifei ^{[1
]}

Liu, Jian ^{[1
]}

Wang, Zhanxin ^{[1
]}

Xu, Xiaodong ^{[1
]}

Xue, Yanyan ^{[3
]}

Xu, Jun ^{[3
]}

Wang, Chun ^{[2
]}

Zhao, Yongguang ^{[1
]}

机构：

[1] Jiangsu Normal Univ, Jiangsu Key Lab Adv Laser Mat & Devices, Xuzhou 2211161, Jiangsu, Peoples R China

[2] Shandong Univ, Ctr Opt Res & Engn, Qingdao 266237, Peoples R China

[3] Tongji Univ, Sch Phys Sci & Engn, Inst Adv Study, Shanghai 200092, Peoples R China

来源：

OPTICS EXPRESS | 2022年 / 30卷 / 16期

基金：

中国国家自然科学基金;

关键词：

BEAM COMBINATION;

D O I：

10.1364/OE.465790

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a high-power continuous-wave (CW) Tm:YAG single-crystal fiber (SCF) laser wing-pumped by laser diodes at 791 nm. A maximum output power of 63.3 W is achieved at similar to 2.01 mu m, corresponding to a slope efficiency of 34.2%. This is, to the best of our knowledge, the highest power obtained from the SCF laser in the 2 mu m spectral range. In addition to the wing pumping scheme, the large surface-to-volume ratio of such fiber-geometry crystalline rod with diffusion-bonded undoped YAG end caps are benefited for the spatial uniform distribution of pump intensity and thermal load, and thus improving the power scalability. (C) 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement

引用

页码：29015 / 29021

页数：7

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