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Volume 29 Issue 5
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Research of Zernike modal wavefront reconstructionof 19-element Hartmann-Shack wavefront sensor

  • 1.

    Institute of Science, National University of Defense Technology, Changsha 410073, China

  • The reason,the condition and the degree of modal coupling and aliasing in wavefront reconstruction are pointed by simulating the measure and Zernike modal wavefront reconstruction course of 19-element Hartmann-Shack wavefront sensor.Considering the maximum distinguished modal and stability of calculation,the principle of selecting optimal value of Zernike reconstruction is found.The analysis of the accuracy of reconstruction shows that modal coupling is main error for 19-element Hartmann-Shack sensor's wavefront reconstruction.The condition and the accuracy of the wavefront measured with 19element Hartmann-Shack wavefront sensor is received.
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    [2] 李新阳,姜文汉.哈特曼夏克传感器的泽尼克模式波前复原误差[J].光学学报,2002,22(10):1236～1240.
    [3] 周仁忠.自适应光学[M].国防工业出版社,1996.180～181.
    [4] 徐旦华,辜嘉,李松毅.Zernike矩的快速算法[J].东南大学学报(自然科学版),2002,32(2):151～154.
    [5] 刘天华,姜宗福,许晓军.高能激光器自由旋涡气动窗口激光波前畸变的初步研究[J].中国激光,2003,30(4):289～294.
    [6] 张强,姜文汉,许冰.利用Zernike多项式对湍流波前进行波前重构[J].光电工程,1998,25(6):15～19.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Research of Zernike modal wavefront reconstructionof 19-element Hartmann-Shack wavefront sensor

    Corresponding author: JIANG Zong-fu, jiangzongfu@yahoo.com.cn
  • 1. Institute of Science, National University of Defense Technology, Changsha 410073, China
  • Received Date: 2004-08-23
  • Accepted Date: 2004-10-29
  • Available Online: 2005-09-25

Abstract: The reason,the condition and the degree of modal coupling and aliasing in wavefront reconstruction are pointed by simulating the measure and Zernike modal wavefront reconstruction course of 19-element Hartmann-Shack wavefront sensor.Considering the maximum distinguished modal and stability of calculation,the principle of selecting optimal value of Zernike reconstruction is found.The analysis of the accuracy of reconstruction shows that modal coupling is main error for 19-element Hartmann-Shack sensor's wavefront reconstruction.The condition and the accuracy of the wavefront measured with 19element Hartmann-Shack wavefront sensor is received.

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