Investigation on 447.3 nm blue-violet laser by extra-cavity frequency doubling of a diode-pumped cesium vapor laser

被引：6
|
作者：
Xu, Dongdong [1 ,3 ]
Chen, Fei [1 ,2 ]
Guo, Jin [1 ,2 ]
Shao, Mingzhen [1 ,2 ]
Xie, Jijiang [1 ,2 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, State Key Lab Laser Interact Matter, 3888 Dongnanhu Rd, Changchun 130033, Peoples R China
[2] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, Innovat Lab Electroopt Countermeasures Technol, 3888 Dongnanhu Rd, Changchun 130033, Peoples R China
[3] Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100039, Peoples R China
来源：
OPTICS AND LASER TECHNOLOGY | 2016年 / 83卷
基金：
中国国家自然科学基金;
关键词：
NDGDVO4; LASER; POWER; CRYSTAL; BEAMS; MODEL;
D O I：
10.1016/j.optlastec.2016.04.003
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
447.3 nm blue-violet lasers are investigated by extra-cavity single-pass second harmonic generation (SHG) of diode-pumped cesium vapor lasers (Cs-DPALs) using a LBO crystal. Two types of 894.6 nm Cs-DPAL are constructed, and the beam quality factors are M-x(2) = 1.02, M-y(2) = 1.13 and M-x(2) = 2.13, M-x(2) = 2.66, respectively. The maximum output powers for the two types of Cs-DPAL operating in pulsed mode are 0.692 W and 2.6 W, and the corresponding maximum second harmonics (SH) powers are 9.5 mu W and 11.2 mu W at optimal focusing parameter of 1.68, respectively. The relative insensitivity of SH power to the LBO crystal temperature and the influence of Cs laser beam quality on the SHG efficiency are analyzed qualitatively. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：119 / 124
页数：6
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