High-power passively Q-switched Nd:YVO4 UV laser at 355 nm

被引：18
|
作者：
Huang, Y. J. [1 ]
Huang, Y. P. [1 ]
Chiang, P. Y. [1 ]
Liang, H. C. [1 ]
Su, K. W. [1 ]
Chen, Y. -F. [1 ]
机构：
[1] Natl Chiao Tung Univ, Dept Electrophys, Hsinchu 30050, Taiwan
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2012年 / 106卷 / 04期
关键词：
CR4+-YAG SATURABLE ABSORBER; ND-GDVO4; LASERS; C-CUT; CR4+YAG; ABSORPTION; OUTPUT;
D O I：
10.1007/s00340-011-4758-y
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report on an efficient high-power passively Q-switched UV laser at 355 nm. We take into account the second threshold criterion and the thermal-lensing effect to design and realize a compact reliable passively Q-switched Nd:YVO4 laser with Cr4+:YAG as a saturable absorber. At an incident pump power of 16.3W, the average output power at 1064 nm reaches 6.2 W with a pulse width of 7 ns and a pulse repetition rate of 56 kHz. Employing the developed passively Q-switched laser to perform the extra-cavity harmonic generations, the maximum average output powers at 532 nm and 355 nm are up to 2.2 W and 1.62 W, respectively.
引用
收藏
页码：893 / 898
页数：6
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