High-power operation of double-pass pumped Nd:YVO4 thin disk laser

被引：8
作者：
Wang, Wei [1 ,2 ]
Sun, Di [1 ,2 ]
Du, Xiao [1 ,2 ]
Guo, Jie [1 ]
Liang, Xiaoyan [1 ,3 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China
[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
[3] ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 200031, Peoples R China
来源：
HIGH POWER LASER SCIENCE AND ENGINEERING | 2020年 / 8卷
关键词：
energy transfer upconversion effect; Nd:YVO4; thermal lens effect; thin disk laser; TRANSFER UP-CONVERSION; ND-YAG; MU-M; NM;
D O I：
10.1017/hpl.2020.8
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A simple, compact, double-pass pumped Nd:YVO4 thin disk laser is demonstrated. Its continuous-wave performance with different Nd doping concentrations and thicknesses is investigated experimentally. The maximum output power of 17.7 W is achieved by employing a 0.5 at.% doped sample, corresponding to an optical-to-optical efficiency of 46% with respect to the absorbed pump power. In addition, a numerical analysis and an experimental study of the temperature distribution, and thermal lens effect of the Nd:YVO4 thin disk, are presented considering the influence of the energy transfer upconversion effect and the temperature dependence of the thermal conductivity tensor. The simulated results are in good agreement with the experimental results.
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页数：9
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