High Power Laser Science and Engineering, Volume. 6, Issue 1, 010000e8(2018)
Systematic study of spatiotemporal influences on temporal contrast in the focal region in large-aperture broadband ultrashort petawatt lasers
Figures & Tables(8)
Fig. 1. Schematic of the SG-II 5 PW ultrashort pulse laser system.
Fig. 3. Wave front defocus dispersion after the multiple-stage spatial filters.
Fig. 5. (a) Schematic of a grating pair; (b) residual dispersion due to compression distortion at various spatial places.
Fig. 6. (a) Spectral information of input pulse; (b) pulses at different spatial positions after compression; (c) spatial distribution of temporal contrast.
Fig. 7. (a) Pulse shapes in the focal region; (b) temporal contrast in the focal region.
Table 1. Design of multiple-stage spatial filters in SG-II 5 PW system (unit: mm).
View tableView in ArticleTable 1. Design of multiple-stage spatial filters in SG-II 5 PW system (unit: mm).
SF1 SF2 SF3 SF4 SF5 Size of input beam $\unicode[STIX]{x1D719}2.5$ $\unicode[STIX]{x1D719}8.7$ $\unicode[STIX]{x1D719}20$ $60\times 60$ $145\times 145$ Focal length of lens 1 240 700 400 2480 2860 Focal length of lens 2 960 1930 1500 6000 5720 Size of output beam $\unicode[STIX]{x1D719}10$ $\unicode[STIX]{x1D719}24$ $\unicode[STIX]{x1D719}75$ $145\times 145$ $290\times 290$
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Ping Zhu, Xinglong Xie, Jun Kang, Qingwei Yang, Haidong Zhu, Ailin Guo, Meizhi Sun, Qi Gao, Ziruo Cui, Xiao Liang, Shunhua Yang, Dongjun Zhang, Jianqiang Zhu. Systematic study of spatiotemporal influences on temporal contrast in the focal region in large-aperture broadband ultrashort petawatt lasers[J]. High Power Laser Science and Engineering, 2018, 6(1): 010000e8
Paper Information
Special Issue: FOCUS ON NATIONAL LABORATORY OF HIGH POWER LASER AND PHYSICS, SIOM
Received: Oct. 13, 2017
Accepted: Jan. 15, 2018
Published Online: Jul. 4, 2019
The Author Email: Xinglong Xie (jqzhu@mail.shcnc.ac.cn)
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