A 100-PW compressor based on single-pass single-grating pair

被引：17
作者：
Du, Shuman [1 ,2 ,3 ]
Shen, Xiong [1 ,2 ,4 ]
Liang, Wenhai [1 ,2 ,3 ]
Wang, Peng [1 ,2 ,4 ]
Liu, Jun [1 ,2 ,3 ,4 ]
Li, Ruxin [1 ,2 ,3 ,4 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, CAS Ctr Excellence Ultraintense Laser Sci, Shanghai 201800, Peoples R China
[3] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing, Peoples R China
[4] Zhangjiang Lab, Shanghai, Peoples R China
来源：
HIGH POWER LASER SCIENCE AND ENGINEERING | 2023年 / 11卷
基金：
中国国家自然科学基金;
关键词：
beam smoothing; multistep pulse compressor; petawatt; single-grating-pair compressor; PULSE COMPRESSOR; LASER; PETAWATT; DIFFRACTION; SYSTEM;
D O I：
10.1017/hpl.2023.5
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A multistep pulse compressor (MPC) based on a single-pass single-grating pair (SSGP) is proposed to simplify the entire multi-petawatt (PW) compressor. Only one grating pair with relatively long perpendicular distance is used to generate the same amount of spectral chirp compared with a four-grating main compressor. As SSGP compressor induces the largest spatial chirp, it can introduce the best beam-smoothing effect to the laser beam on the last grating. When considering the diffraction loss of only two gratings, the total compression efficiency of the SSGP compressor is even larger than that of a four-grating main compressor. Furthermore, the wavefront aberration induced by the SSGP compressor can be better compensated by using deformable mirrors; however, it is difficult or complicated to be well compensated in a four-grating compressor. Approximately 50-100 PW laser pulses can be obtained using this SSGP-based multistage-smoothing MPC with a single laser beam.
引用
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页数：12
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