Cui Ziruo, Kang Jun, Xie Xinglong, Gao Qi, Zhu Ping, Guo Ailin, Zhu Haidong, Yang Qingwei, Sun Meizhi, Yang Pengqian, Ouyang Xiaoping, Zhang Zhixiang, Liang Xiao, Yang Shunhua, Zhang Cheng, Zhang Dongjun, Zhu Jianqiang. Compensation for Chromatic Aberration in Femtosecond Petawatt Laser Systems Based on Zoom Image Transfer[J]. Chinese Journal of Lasers, 2019, 46(9): 905001
- Chinese Journal of Lasers
- Vol. 46, Issue 9, 905001 (2019)
Fig. 1. Schematic of chromatic aberration pre-compensation scheme
Fig. 2. Dynamic compensation effect of chromatic aberration
Fig. 3. Optical path of chromatic aberration compensation in SG-II 5 PW laser system
Fig. 4. Relationship among residual PTD,Z1, and Z2 (residual PTD is within ±150 fs, and Z2 is 25, 50, and 75 mm, respectively). (a) Relationship between residual PTD and Z1; (b) relationship between Z3 and Z1; (c) relationship between residual PTD and focal diameter
Fig. 5. Comparison of encircled energy of focal spot before and after chromatic aberration compensation
Fig. 6. Focal spot of system terminal target before and after applying pre-compensator. (a) Before applying pre-compensator; (b) after applying pre-compensator
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