Thermal Effect of High Energy Repetition Rate Nd: Glass Laser

被引：4
作者：
Yang Sida [1 ,2 ,3 ]
Yin Dingjun [1 ]
Gan Zebiao [1 ]
Chen Junchi [1 ]
Yao Bo [1 ]
Long Yingbin [1 ]
Peng Yujie [1 ]
Yu Lianghong [1 ]
Liang Xiaoyan [1 ]
Leng Yuxin [1 ]
Li Ruxin [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] ShanghaiTech Univ, Shanghai 201210, Peoples R China
来源：
CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG | 2020年 / 47卷 / 09期
关键词：
lasers; amplifier; high energy; Nd:glass rod; pump source; CHIRPED-PULSE-AMPLIFIER; PW; AMPLIFICATION; GENERATION;
D O I：
10.3788/CJL202047.0901004
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Based on the 100-joule grade Nd: glass laser built in the pump source system of the superintense utrafast laser facility, the experiment measured the thermally induced wavefront distortion of the Nd: glass laser operating at repetition frequencies of one minute, two minutes, and three minutes. By collecting the laser wavefront information to reflect the size of the heat effect, the analysis and experimental results finally determine the repetition frequency of the 100-joule grade Nd: glass laser that can work stably. At present, the Nd: glass laser can stably output highbeam-quality laser pulses with a wavelength of 526.5 nm and an energy of about 100 J at the repetition frequency of three minutes, and the output spot energy shows a nearly flat-top distribution. Finally, the pump source system composed of several 100-joule grade Nd: glass lasers can stably output pump light, and it has been successfully applied to pump the main Ti:sapphire amplifier of SULF 10 PW system.
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页数：6
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