Optical Instruments, Volume. 47, Issue 2, 43(2025)
Experimental study on calibration of Shack-Hartmann wavefront sensors using single mode fiber beam splitter
Figures & Tables(6)
Fig. 3. The reconstructed spherical wavefront with various curvatures
Table 1. Specifications of SH wavefront sensor
View tableView in ArticleTable 1. Specifications of SH wavefront sensor
项 目 规 格 焦距 14.2 mm 微透镜阵列尺寸 10 mm×10 mm 子孔径间距 300 μm 像素尺寸 3.45 μm 透镜类型 方形
Table 2. Theoretical value and measured value of spherical wavefronts with different radii
View tableView in ArticleTable 2. Theoretical value and measured value of spherical wavefronts with different radii
R/mm 常规方法 单模光纤分束器耦合方法 理论值 $ {Z}_{2}^{0} $ wpv, r/μm wrms/μm $ {Z}_{2}^{0} $ wpv, r/ μm wrms/μm $ {C}_{2}^{0} $ wpv, th/μm 538.4 −1.129 4.199 5 0.121 4 −1.140 3.846 1 0.022 3 −1.072 3 3.714 7 588.4 −1.038 3.870 9 0.116 9 −1.050 3.569 4 0.027 1 −0.981 2 3.399 1 638.4 −0.961 3.614 6 0.121 4 −0.973 3.290 9 0.025 1 −0.904 4 3.132 8 688.4 −0.899 3.353 3 0.107 6 −0.911 3.129 5 0.036 5 −0.838 7 2.905 3 738.4 −0.839 3.191 2 0.121 0 −0.851 2.874 8 0.026 4 −0.781 9 2.708 6 788.4 −0.791 3.011 4 0.112 3 −0.802 2.718 9 0.029 1 −0.732 3 2.536 8 838.4 −0.748 2.853 8 0.113 0 −0.759 2.575 1 0.030 7 −0.688 6 2.385 5 888.4 −0.710 2.715 8 0.110 9 −0.721 2.453 8 0.032 3 −0.649 9 2.251 2 938.4 −0.672 2.619 0 0.118 9 −0.684 2.288 1 0.025 3 −0.615 3 2.131 3 988.4 −0.643 2.514 1 0.118 7 −0.655 2.155 7 0.023 8 −0.581 4 2.023 5 1 038.4 −0.615 2.382 0 0.109 5 −0.626 2.077 6 0.026 0 −0.556 0 1.926 0
Table 3. High-order aberration measurement results（3 and 4 order）
View tableView in ArticleTable 3. High-order aberration measurement results（3 and 4 order）
R/mm $ {Z}_{3}^{-3} $ $ {Z}_{3}^{-1} $ $ {Z}_{3}^{1} $ $ {Z}_{3}^{3} $ $ {Z}_{4}^{-4} $ $ {Z}_{4}^{-2} $ $ {Z}_{4}^{0} $ $ {Z}_{4}^{2} $ $ {Z}_{4}^{4} $ 538.4 0.001 −0.002 0.003 −0.015 0.002 0.001 0.002 −0.001 0.003 588.4 −0.001 −0.004 0.004 −0.020 0.001 0 0.002 0.001 0.004 638.4 0 −0.004 0.005 −0.017 0.001 0.001 0 −0.001 0.004 688.4 −0.001 −0.004 0.008 −0.028 0.002 0.001 0.001 0 0.004 738.4 0.005 −0.006 0.005 −0.017 0 0 0.002 0.001 0.004 788.4 0 −0.004 0.006 −0.021 0 0 0.001 0 0.004 838.4 0 −0.004 0.006 −0.023 0 0 0.001 0 0.004 888.4 0.002 −0.003 0.006 −0.024 0 0 0.002 0 0.004 938.4 −0.001 −0.004 0.004 −0.017 0.002 0.001 0.001 0 0.005 988.4 0 −0.004 0.003 −0.014 0.003 0.001 0.002 −0.001 0.003 1038.4 −0.001 −0.003 0.004 −0.018 0.003 0.001 0.001 0 0.003
Tools
Get Citation
Copy Citation Text
Peijie LIU, Wenhao ZHOU, Xi ZENG, Kun SHANG, Shijun GUO, Chuanqing ZHOU. Experimental study on calibration of Shack-Hartmann wavefront sensors using single mode fiber beam splitter[J]. Optical Instruments, 2025, 47(2): 43
Paper Information
Category:
Received: Jan. 29, 2024
Accepted: --
Published Online: May. 30, 2025
The Author Email: Chuanqing ZHOU (zhoucq@sumhs.edu.cn)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20