High-Power, High-Beam-Quality, Long-Pulse-Width 532 nm Laser Based on a 4f Optical System

被引：1
|
作者：
Hu, Jiapeng [1 ,2 ,3 ]
Li, Wenbo [1 ,2 ,3 ]
Li, Dong [4 ]
Liu, Hongcai [1 ,2 ,3 ]
Xia, Nanhui [1 ,2 ,3 ]
Zhang, Tianyu [1 ,2 ,3 ]
Liu, Xuesheng [1 ,2 ,3 ]
Liu, Youqiang [1 ,2 ,3 ]
Wang, Zhiyong [1 ,2 ,3 ]
机构：
[1] Beijing Univ Technol, Sch Phys & Optoelect Engn, Beijing 100124, Peoples R China
[2] Beijing Univ Technol, Beijing Engn Res Ctr Laser Technol, Beijing 100124, Peoples R China
[3] Beijing Univ Technol, Key Lab Transscale Laser Mfg Technol, Minist Educ, Beijing 100124, Peoples R China
[4] AVIC Beijing Aeronaut Mfg Technol Res Inst, Beijing 100024, Peoples R China
来源：
APPLIED SCIENCES-BASEL | 2024年 / 14卷 / 21期
关键词：
Nd:YAG; acousto-optic Q-switched; intracavity frequency doubling; 4f optical system; long pulse width; W GREEN LASER; DESIGN; MODE;
D O I：
10.3390/app14219620
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In response to the demand for high-power, long-pulse-width 532 nm lasers in the medical and industrial processing fields, this paper explains how the laser cavity of a high-power Nd:YAG 532 nm laser can be extended while maintaining the laser's q-parameter by using a 4f optical system. The results show that at a repetition rate of 10 kHz, the extended cavity achieved a maximum average power of 112 W. Compared with the short cavity, the power was not significantly reduced. The pulse width was extended from 56 ns to 85 ns, and its broadening ratio reached 46.5%. The laser maintained good beam quality during high-power operation.
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收藏
页数：9
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