Cross-polarized wave-generation-based single-shot fourth-order autocorrelator

被引:4
|
作者
Wang, Peng [1 ,2 ]
Shen, Xiong [1 ,2 ]
Huang, Shunlin [1 ,2 ,3 ,4 ]
Liu, Jun [1 ,2 ,3 ]
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, Univ Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
[4] Tongji Univ, Sch Phys Sci & Engn, Shanghai 200092, Peoples R China
基金
上海市自然科学基金; 中国国家自然科学基金;
关键词
TEMPORAL CONTRAST;
D O I
10.1364/AO.426217
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A single-shot fourth-order autocorrelator based on cross-polarized wave generation (XPW) is proposed for the temporal contrast measurement, where the XPW process has the advantages of higher energy conversion efficiency, more compact setup, and less sensitivity to misalignment in comparison to the self-diffraction process. The measurement dynamic of 10(12) is obtained with only 6 mJ input laser pulse, where the input beam for XPW is focused by a cylindrical lens and XPW signal with the energy of 400 mu J and time duration of 27.2 fs is obtained. Furthermore, beta-barium borate crystal with the thickness of 6 mm and cutting angle of 56 degrees is used for the sum-frequency generation process to benefit the correlation efficiency. The compact setup could help explore the temporal contrast property of the high-power laser pulse. (C) 2021 Optical Society of America
引用
收藏
页码:5912 / 5916
页数:5
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