Chinese Optics, Volume. 17, Issue 3, 521(2024)
High-precision spherical wavefront calibration method for shack-hartmann wavefront sensor
Fig. 2. Spots pattern of a spherical wavefront on the plane of the SHWFS detector
Fig. 3. Schematic diagram of the high-precision spherical wavefront calibration device
Fig. 4. Setup of the high-precision spherical wavefront calibration
Fig. 5. Residual errors for spherical waves with different curvature radii
Fig. 6. Repeatability of wavefront measurements by the calibrated SHWFS
Table 1. Parameters of the SHWFS to be calibrated
View tableView in ArticleTable 1. Parameters of the SHWFS to be calibrated
CCD相机 参数 微透镜阵列 参数 生产商 HIKROBOT 子孔径大小 0.1 mm×0.1 mm 型号 MV-CH250-90TM-M58S-NF 使用子孔径数 128×128 像素个数 5120×5120 焦距 2.4 mm 像素尺寸 2.5 μm x 2.5 μm 通光口径 Φ12.8 mm
Table 2. Measured parameter values of the SHWFS to be calibrated
View tableView in ArticleTable 2. Measured parameter values of the SHWFS to be calibrated
实验结果参数 f/mm $ {w}=\dfrac{{P}}{{S}} $ L0/mm 测量次数 1 2.402 39.960 1050.00 2 2.402 39.960 1050.00 3 2.402 39.960 1050.00 4 2.403 39.959 1050.00 5 2.402 39.960 1050.00 6 2.402 39.960 1050.00 7 2.403 39.959 1050.00 8 2.402 39.960 1050.00 9 2.401 39.961 1050.00 10 2.402 39.960 1050.00 均值 2.402 39.960 1050.00
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Ming-di BAO, Guo-hua SHI, Li-na XING, Yi HE. High-precision spherical wavefront calibration method for shack-hartmann wavefront sensor[J]. Chinese Optics, 2024, 17(3): 521
Category: Original Article
Received: Aug. 28, 2023
Accepted: --
Published Online: Jul. 31, 2024
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