y Compact intracavity-pumped Ho : YVO4 laser developed using a diode-pumped Tm:YAP laser

被引：1

作者：

Hu, Huawen ^{[1
,2
]}

Huang, Haizhou ^{[1
]}

Ge, Yan ^{[1
]}

Zhong, Jie ^{[1
]}

Huang, Jianhong ^{[1
]}

Deng, Jing ^{[1
,2
]}

Li, Jinhui ^{[1
]}

Lin, Wenxiong ^{[1
]}

机构：

[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, Key Lab Optoelect Mat Chem & Phys, Fuzhou, Peoples R China

[2] Univ Chinese Acad Sci, Beijing, Peoples R China

来源：

OPTICAL ENGINEERING | 2020年 / 59卷 / 09期

基金：

美国国家科学基金会; 中国国家自然科学基金;

关键词：

2-mu m laser; intracavity-pumped; Ho:YVO4 crystal; Ho lasers; CONTINUOUS-WAVE; HOYAG LASER; MU-M; YAG LASER; Q-SWITCH; OPERATION;

D O I：

10.1117/1.OE.59.9.096106

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We developed a compact 2-mu m intracavity-pumped Ho : YVO4 laser using a diode-pumped Tm:YAP laser at room temperature. Before applying the Ho laser, the lasing characteristics of the a-cut Tm:YAP laser were studied, and a maximum output power of 2.76 W at 1951.6 nm was obtained under an incident laser diode pump power of 25 W with a slope efficiency of 15.8%. Under the same cavity structure, the continuous-wave Ho : YVO4 laser yielded a maximum output power of 1.7 W at 2052.7 nm for an incident diode pump power of 29 W, corresponding to a slope efficiency of 10.4%. The beam quality factor (M-2) of the Ho : YVO4 laser at the maximum output power was estimated to be 1.16 and 1.26 in the horizontal and vertical directions, respectively, which indicates the occurrence of near-diffraction-limited beam propagation. (C) 2020 Society of Photo-Optical Instrumentation Engineers (SPIE)

引用

页数：8

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