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Chinese Journal of Lasers, Volume. 47, Issue 9, 901004(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
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    AbstractGet PDF(in Chinese)
    Figures&Tables (8)
    Equations (0)
    References (16)
    Cited By (4)
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    Figures & Tables(8)
    Structure diagram of Nd∶glass laser

    Fig. 1. Structure diagram of Nd∶glass laser

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    Monitoring optical path diagram

    Fig. 2. Monitoring optical path diagram

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    Output wavefront measurement results at a frequency of one minute. (a) Continuous measurement of the amplifier fully open; (b) distortion spot

    Fig. 3. Output wavefront measurement results at a frequency of one minute. (a) Continuous measurement of the amplifier fully open; (b) distortion spot

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    Output wavefront measurement results at a frequency of two minutes. (a) Continuous measurement results of the amplifier fully open; (b) PtV and RMS values after the amplifier is turned on step by step to stabilize

    Fig. 4. Output wavefront measurement results at a frequency of two minutes. (a) Continuous measurement results of the amplifier fully open; (b) PtV and RMS values after the amplifier is turned on step by step to stabilize

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    Output wavefront measurement results at a frequency of three minutes

    Fig. 5. Output wavefront measurement results at a frequency of three minutes

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    Output energy results. (a) Single-channel fundamental frequency light energy; (b) single-channel frequency doubled light energy

    Fig. 6. Output energy results. (a) Single-channel fundamental frequency light energy; (b) single-channel frequency doubled light energy

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    Energy distribution of double frequency spot

    Fig. 7. Energy distribution of double frequency spot

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    • Table 1. Zernike coefficient measurement of step by step open amplifier

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      Table 1. Zernike coefficient measurement of step by step open amplifier

      ModePtV /λRSM /λDefocusAstigmation0°Astigmation45°ComaXComaYSphericalaberration
      11.1020.2700.0460.150-0.1950.1930.090-0.095
      21.1680.2840.0470.153-0.2260.2190.118-0.109
      31.2400.3030.0490.159-0.2450.2380.135-0.118
      41.4930.3660.0570.170-0.3010.3020.175-0.144
      51.5830.3830.0570.140-0.3580.3460.229-0.167
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    Yang Sida, Yin Dingjun, Gan Zebiao, Chen Junchi, Yao Bo, Long Yingbin, Peng Yujie, Yu Lianghong, Liang Xiaoyan, Leng Yuxin, Li Ruxin. Thermal Effect of High Energy Repetition Rate Nd∶Glass Laser[J]. Chinese Journal of Lasers, 2020, 47(9): 901004

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    Paper Information

    Category: laser devices and laser physics

    Received: Mar. 9, 2020

    Accepted: --

    Published Online: Sep. 16, 2020

    The Author Email:

    DOI:10.3788/CJL202047.0901004

    Topics

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