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Demonstration of joule-level chirped pulse amplification based on tiled Ti:sapphire amplifier

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Abstract

A novel tiled Ti:sapphire (Ti:S) amplifier was experimentally demonstrated with >1 J amplified chirped pulse output. Two Ti:S crystals having dimensions of 14 mm× 14 mm× 25 mm were tiled as the gain medium in a four-pass amplifier. Maximum output energy of 1.18 J was obtained with 2.75 J pump energy. The energy conversion efficiency of the tiled Ti:S amplifier was comparable with a single Ti:S amplifier. The laser pulse having the maximum peak power of 28 TW was obtained after the compressor. Moreover, the influence of the beam gap on the far field was discussed. This novel tiled Ti:S amplifier technique can provide a potential way for 100 PW or EW lasers in the future.

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DOI:10.3788/COL202119.011401

所属栏目:Lasers, Optical Amplifiers, and Laser Optics

基金项目:This work was supported by the National Key R&D Program of China (No. 2017YFE0123700), the Strategic Priority Research Program of the Chinese Academy of Sciences (No. XDB1603), the National Natural Science Foundation of China (No. 61925507), the Program of Shanghai Academic/Technology Research Leader (No. 18XD1404200), and the Shanghai Municipal Science and Technology Major Project (No. 2017SHZDZX02).

收稿日期:2020-07-07

录用日期:2020-08-28

网络出版日期:2020-11-20

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刘柯阳:State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;School of Physical Science and Technology, ShanghaiTech University, Shanghai 200031, China;University of Chinese Academy of Sciences, Beijing 100049, China
刘彦祺:State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
唐云海:State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
陈骏驰:State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
王乘:State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
刘星延:State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;School of Physical Science and Technology, ShanghaiTech University, Shanghai 200031, China;University of Chinese Academy of Sciences, Beijing 100049, China
王晓斌:State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
龙应斌:State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
许毅:State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
彭宇杰:State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
陆效明:State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
刘征征:State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
冷雨欣:State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;School of Physical Science and Technology, ShanghaiTech University, Shanghai 200031, China;CAS Center for Excellence in Ultra-intense Laser Science, Shanghai 201800, China

联系人作者:刘彦祺(liuyanqi@siom.ac.cn); 冷雨欣(lengyuxin@mail.siom.ac.cn);

备注:This work was supported by the National Key R&D Program of China (No. 2017YFE0123700), the Strategic Priority Research Program of the Chinese Academy of Sciences (No. XDB1603), the National Natural Science Foundation of China (No. 61925507), the Program of Shanghai Academic/Technology Research Leader (No. 18XD1404200), and the Shanghai Municipal Science and Technology Major Project (No. 2017SHZDZX02).

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引用该论文

Keyang Liu, Yanqi Liu, Yunhai Tang, Junchi Chen, Cheng Wang, Xingyan Liu, Xiaobin Wang, Yingbin Long, Yi Xu, Yujie Peng, Xiaoming Lu, Zhengzheng Liu, Yuxin Leng, "Demonstration of joule-level chirped pulse amplification based on tiled Ti:sapphire amplifier," Chinese Optics Letters 19(1), 011401 (2021)

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