中国激光, 2020, 47 (4): 0409002, 网络出版: 2020-04-09
部分子孔径缺光对夏克-哈特曼波前传感器波前复原的影响 
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Influence of Lack of Light in Partial Subapertures on Wavefront Reconstruction for Shack-Hartmann Wavefront Sensor
图 & 表
图 1. 夏克-哈特曼波前传感工作原理。(a)夏克-哈特曼波前传感器工作原理示意图;(b)单个子波面平均斜率探测原理图
Fig. 1. Working principle of SHWS. (a) Schematic of working principle of SHWS; (b) detection principle of average slope of single wave surface
图 2. 大气湍流随机畸变波前相差的模拟与验证。 (a) 典型的模拟波前相差图;(b) Zernike多项式系数方差的理论值与仿真值
Fig. 2. Simulation and verification of random distorted wavefront phase different of atmospheric turbulence. (a) Typical simulated wavefront phase; (b) theoretical and simulation values of Zernike coefficient variance
图 3. 夏克-哈特曼传感器子孔径排布及光斑型态。(a)子孔径排布;(b)光斑图
Fig. 3. Subaperture arrangement and light pattern of SHWS. (a) Subaperture segmentation; (b) light pattern
图 5. 区域法复原与模式法复原过程图。(a)区域法的初始波前;(b)区域法的重构波前;(c)区域法的残差图;(d)模式法的初始波前;(e)模式法的重构波前;(f)模式法的残差图
Fig. 5. Reconstruction process diagram of modal and zonal algorithms. (a) Zonal algorithm: original wavefront; (b) zonal algorithm: reconstructed wavefront; (c) zonal algorithm: residual plot; (d) modal algorithm: original wavefront; (e) modal algorithm: reconstructed wavefront; (f) modal algorithm: residual plot
图 6. 单子孔径斜率置零后的波前复原误差影响因子。(a)区域法;(b)模式法波
Fig. 6. Wavefront reconstruction error impact factors of the slope zeroing for single subaperture. (a) Zonal algorithm; (b) modal algorithm
图 7. 去除单子孔径后的波前复原误差影响因子
Fig. 7. Wavefront reconstruction error impact factors after single subaperture removal
魏平, 李新阳, 罗曦, 李剑峰. 部分子孔径缺光对夏克-哈特曼波前传感器波前复原的影响[J]. 中国激光, 2020, 47(4): 0409002. We Ping, Li Xinyang, Luo Xi, Li Jianfeng. Influence of Lack of Light in Partial Subapertures on Wavefront Reconstruction for Shack-Hartmann Wavefront Sensor[J]. Chinese Journal of Lasers, 2020, 47(4): 0409002.
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