Fiber coupled 1 kW repetitively acousto-optic Q-switched cw-pumped Nd:YAG rod laser

被引：4
作者：
Wang, Yibo [1 ,2 ,3 ,4 ]
Zhang, Zhiyan [1 ,2 ,3 ]
Liang, Hao [1 ]
Qu, Shengchun [1 ,2 ]
Gao, Jiancun [4 ]
Lin, Xuechun [1 ,2 ,3 ]
机构：
[1] Chinese Acad Sci, Inst Semicond, Lab All Solid State Light Sources, Beijing 100083, Peoples R China
[2] Univ Chinese Acad Sci, Coll Mat Sci & Optoelect Technol, Beijing 101407, Peoples R China
[3] Engn Technol Res Ctr All Solid State Lasers Adv M, Beijing 100083, Peoples R China
[4] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
来源：
OPTICS AND LASER TECHNOLOGY | 2019年 / 116卷
基金：
国家重点研发计划;
关键词：
Fiber coupled; Acousto-optic Q-switched laser; High power lasers; CW-pumped; Laser ablation; HIGH PEAK POWER; BEAM QUALITY; MU-M; GENERATION; NANOSECOND;
D O I：
10.1016/j.optlastec.2019.03.021
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
With MOPA configurations, a fiber coupled 1 kW repetitively acousto-optic Q-switched cw-pumped Nd:YAG rod laser is studied in detail. Low-order aberrations introduced by MOPA systems add difficulties to high efficiency of optical fiber coupling. With 300 pm 0.22 NA fiber coupled, an average power of 1022 W along with 102 ns pulse width at 20 kHz is obtained with 11.6% electro-to-optical efficiency and 93% fiber coupling efficiency, and the corresponding peak power is about 500 kW. The power stability is better than 0.93% at the maximum output power in an hour.
引用
收藏
页码：139 / 143
页数：5
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