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Comprehensive multiphysics analysis of high-energy nanosecond lasers based on liquid-cooled Nd-doped rods pumped by flashlamps

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【作者】 孙剑宇； 彭宇杰； 龙应斌； 陈俊驰； 甘泽彪； 姚波； 梁晓燕； 冷雨欣； 李儒新；

【Author】 Jianyu Sun;Yujie Peng;Yingbin Long;Junchi Chen;Zebiao Gan;Bo Yao;Xiaoyan Liang;Yuxin Leng;Ruxin Li;State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences;Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences;

【通讯作者】 彭宇杰;冷雨欣;李儒新;

【机构】 State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences； Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences；

【摘要】 Ultra-short pulse,ultra-intense (USUI) lasers have become indispensable tools for scientific research.High-energy pump lasers are crucial for ensuring adequate energy and beam quality of these USUI lasers.Pump lasers with rod amplifiers are a cost-effective and reliable option for meeting high-energy pump requirements.However,there is a notable dearth of comprehensive reports on the design of high-energy rod amplifiers.This study provides a detailed analysis of rod amplifiers,focusing primarily on the pump unit utilized at SULF-10 PW and SEL-100 PW prototypes.The analysis covers aspects such as gain management,thermal effects,and spatiotemporal evolution.

【Abstract】 Ultra-short pulse,ultra-intense (USUI) lasers have become indispensable tools for scientific research.High-energy pump lasers are crucial for ensuring adequate energy and beam quality of these USUI lasers.Pump lasers with rod amplifiers are a cost-effective and reliable option for meeting high-energy pump requirements.However,there is a notable dearth of comprehensive reports on the design of high-energy rod amplifiers.This study provides a detailed analysis of rod amplifiers,focusing primarily on the pump unit utilized at SULF-10 PW and SEL-100 PW prototypes.The analysis covers aspects such as gain management,thermal effects,and spatiotemporal evolution.

【关键词】 high-energy laser； all-solid-state laser； rod amplifier；
【Key words】 high-energy laser； all-solid-state laser； rod amplifier；
【基金】 supported by the National Natural Science Foundation of China (Nos. 11127901 and 62075227);the National Major Scientific Research Instrument Development Project (No. 22227901);the National Key R&D Program of China (No. 2019YFF01014401);the Shanghai Municipal Science and Technology Major Project (No. 2017SHZDZX02);the Shanghai Rising-Star Program (No. 21QA1410200);the Youth Innovation Promotion Association CAS (No. 2020248);the Innovation Funding Project of National Commercial Aircraft Manufacturing Engineering Technology Research Center (No. COMAC-SFGS-2021-603)
  • 【文献出处】 Chinese Optics Letters ,中国光学快报(英文版) , 编辑部邮箱 ,2024年09期
  • 【分类号】TN248
  • 【下载频次】2
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