LED-side-pumped passively Q-switched Nd:GdVO4 laser without active temperature control

被引：0
|
作者：
Xiao, Hong [2 ]
Zhao, Tianzhuo [3 ]
Ge, Wenqi [2 ,3 ]
Li, Mingshan [2 ]
Nie, Shuzhen [2 ]
Zhong, Fanghui [2 ,3 ]
Li, Fei [2 ,3 ]
Huang, Ke [4 ]
Kuang, Cuifang [1 ]
机构：
[1] Zhejiang Univ, State Key Lab Modern Opt Instrumentat, 866 Yuhangtang Rd, Hangzhou 310058, Peoples R China
[2] Chinese Acad Sci, Aerosp Informat Res Inst, 9 Dengzhuang Rd, Beijing 100094, Peoples R China
[3] Univ Chinese Acad Sci, 1 Yanqi Rd, Beijing 100049, Peoples R China
[4] Optilab LLC, 600 E Camelback Rd, Phoenix, AZ 85012 USA
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2023年 / 129卷 / 08期
基金：
中国国家自然科学基金;
关键词：
1.06; MU-M; HIGH-POWER; PERFORMANCE; CRYSTAL; NDYVO4; GDVO4;
D O I：
10.1007/s00340-023-08068-x
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Nd:GdVO4 has the advantages of a small thermal expansion coefficient, a large absorption bandwidth, and a large absorption and emission cross section, making it a good gain material for LED-pumping without active temperature control. In this paper, the LED-pumped Nd:GdVO4 laser was first generated in the quasi-continuous-wave and the passively Q-switched regime. With the incident pump energy of 8.0 mJ, the Nd:GdVO4 laser demonstrated energy of 195 & mu;J at 1063 nm in the quasi-continuous-wave regime, the slope efficiency was 4.7%, and the optical conversion efficiency was 2.4%. In the passively Q-switched regime, Cr:YAG was used as a saturable absorber and the energy obtained was 6.53 & mu;J with a pulse duration of 806.8 ns. These experimental results indicated the application prospect of LED-pumped lasers.
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页数：5
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