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Chinese Journal of Lasers, Volume. 46, Issue 9, 905001(2019)

Compensation for Chromatic Aberration in Femtosecond Petawatt Laser Systems Based on Zoom Image Transfer

Cui Ziruo1,2, Kang Jun1, Xie Xinglong1, Gao Qi1, Zhu Ping1, Guo Ailin1, Zhu Haidong1, Yang Qingwei1, Sun Meizhi1, Yang Pengqian1, Ouyang Xiaoping1, Zhang Zhixiang1, Liang Xiao1,2, Yang Shunhua1,2, Zhang Cheng1,2, Zhang Dongjun1,2, and Zhu Jianqiang1
Author Affiliations
  • 1Key Laboratory of High Power Laser and Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 2Center of Materials Science and Optoeletronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
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    Schematic of chromatic aberration pre-compensation scheme

    Fig. 1. Schematic of chromatic aberration pre-compensation scheme

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    Dynamic compensation effect of chromatic aberration

    Fig. 2. Dynamic compensation effect of chromatic aberration

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    Optical path of chromatic aberration compensation in SG-II 5 PW laser system

    Fig. 3. Optical path of chromatic aberration compensation in SG-II 5 PW laser system

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    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. 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

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    Comparison of encircled energy of focal spot before and after chromatic aberration compensation

    Fig. 5. Comparison of encircled energy of focal spot before and after chromatic aberration compensation

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    Focal spot of system terminal target before and after applying pre-compensator. (a) Before applying pre-compensator; (b) after applying pre-compensator

    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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    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

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    Paper Information

    Category: Beam transmission and control

    Received: Mar. 26, 2019

    Accepted: --

    Published Online: Sep. 10, 2019

    The Author Email:

    DOI:10.3788/CJL201946.0905001

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology