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  • Received: Mar. 9, 2020

    Accepted: Apr. 20, 2020

    Posted: Sep. 1, 2020

    Published Online: Sep. 16, 2020

    The Author Email: Liang Xiaoyan (, Leng Yuxin (, Li Ruxin (

    DOI: 10.3788/CJL202047.0901004

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    Sida Yang, Dingjun Yin, Zebiao Gan, Junchi Chen, Bo Yao, Yingbin Long, Yujie Peng, Lianghong Yu, Xiaoyan Liang, Yuxin Leng, Ruxin Li. Thermal Effect of High Energy Repetition Rate Nd∶Glass Laser[J]. Chinese Journal of Lasers, 2020, 47(9): 0901004

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Chinese Journal of Lasers, Vol. 47, Issue 9, 0901004 (2020)

Thermal Effect of High Energy Repetition Rate Nd∶Glass Laser

Yang Sida1,2,3, Yin Dingjun1, Gan Zebiao1, Chen Junchi1, Yao Bo1, Long Yingbin1, Peng Yujie1, Yu Lianghong1, Liang Xiaoyan1,*, Leng Yuxin1,**, and Li Ruxin1,***

Author Affiliations

  • 1State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences, Shanghai 201800, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
  • 3ShanghaiTech University, Shanghai 201210, China


Based on the 100-joule grade Nd∶glass laser built in the pump source system of the superintense utrafast laser facility, the experiment measured the thermally induced wavefront distortion of the Nd∶glass laser operating at repetition frequencies of one minute, two minutes, and three minutes. By collecting the laser wavefront information to reflect the size of the heat effect, the analysis and experimental results finally determine the repetition frequency of the 100-joule grade Nd∶glass laser that can work stably. At present, the Nd∶glass laser can stably output high-beam-quality laser pulses with a wavelength of 526.5 nm and an energy of about 100 J at the repetition frequency of three minutes, and the output spot energy shows a nearly flat-top distribution. Finally, the pump source system composed of several 100-joule grade Nd∶glass lasers can stably output pump light, and it has been successfully applied to pump the main Ti∶sapphire amplifier of SULF 10 PW system.


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