Infrared and Laser Engineering, Volume. 51, Issue 7, 20210759(2022)

Meta-heuristic SPGD algorithm in spatial light wavefront distortion correction

Hui Zhao1,2, Diankai Lv1,2, Jing An1,2, Kaida Kuang1,2, Mengjie Yu1,2, and Tianqi Zhang1,2
Author Affiliations
  • 1School of communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
  • 2Chongqing Key Laboratory of Signal and Information Processing, Chongqing 400065, China
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    Figures & Tables(12)
    Schematic diagram of WFS-less AO system
    Actuators location of 36-element deformable mirror
    Flow chart of MHSPGD algorithm
    Convergence curves of different step sizes
    Comparison of wavefront phase and farfield image correction effect between MHSPGD algorithm and SPGD algorithm. (a) ; (b) ; (c) MHSPGD算法和SPGD算法的波前相位和远场图像校正效果比较。(a) ;(b) ;(c)
    [in Chinese]
    SR convergence curve comparison of different algorithms. (a) ; (b) ; (c) 不同算法的SR收敛曲线对比。(a) ;(b) ;(c)
    Comparison of correction effect between MHSPGD algorithm and SPGD algorithm when Zernike order is 65. (a) Wavefront phase and far-field images; (b) SR convergence curve
    Actuators location of 61 units deformable mirror
    SR curve comparison of MHSPGD algorithm and SPGD algorithm under 36 and 61 units DM
    • Table 1. Comparison of SR value for each algorithm under different turbulence intensities

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      Table 1. Comparison of SR value for each algorithm under different turbulence intensities

      $ D/{r_0} $Initial SRSPGDMHSPGDASPGDMSPGD
      50.08790.76140.76210.70110.7607
      80.08350.63860.65540.61070.6545
      100.00330.31610.37490.35160.3684
    • Table 2. Comparison of computation time for each algorithm under different turbulence intensities

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      Table 2. Comparison of computation time for each algorithm under different turbulence intensities

      $ D/{r_0} $SPGD/sMHSPGD/sASPGD/sMSPGD/s
      5211.91210.37214.49282.19
      8243.46262.03325.96304.95
      10207.40249.95363.15293.54
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    Hui Zhao, Diankai Lv, Jing An, Kaida Kuang, Mengjie Yu, Tianqi Zhang. Meta-heuristic SPGD algorithm in spatial light wavefront distortion correction[J]. Infrared and Laser Engineering, 2022, 51(7): 20210759

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    Paper Information

    Category: Optical communication and sensing

    Received: Oct. 21, 2021

    Accepted: --

    Published Online: Dec. 20, 2022

    The Author Email:

    DOI:10.3788/IRLA20210759

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