Infrared and Laser Engineering, Volume. 50, Issue 7, 20210016(2021)
Design of low-order Hartmann-Shack wavefront sensor for annular laser beam
Figures & Tables(10)
Fig. 1. Light path structure of low-order Hartmann-Shack wavefront sensor
Fig. 7. Actual PV curve and the theoretical PV curve at different distances
Table 1. Transmission range of usual optical materials
View tableView in ArticleTable 1. Transmission range of usual optical materials
Material Transmission range UV fused silica 185 nm-2.1 μm CaF2 180 nm-8.0 μm Silicon 1.2-8.0 μm BaF2 0.2-11 μm
Table 2. Optical parameters of low-order Hartmann-Shack sensor
View tableView in ArticleTable 2. Optical parameters of low-order Hartmann-Shack sensor
Part Item Parameter Negative micro- lens array Material CaF2 Sub-aperture diameter/mm 3.3 Curvature radius/mm −72.7 Center thickness/mm 3 Convex lens Material CaF2 Front surface curvature radius/mm 36.2 Back surface curvature radius/mm 135.7 Center thickness/mm 5 Camera Pixel size/μm 15 Sensor size/mm2 9.6×7.7
Table 3. Parameters of the cylindrical mirror in the measurement system
View tableView in ArticleTable 3. Parameters of the cylindrical mirror in the measurement system
Type Curvature radius in the X-direction Curvature radius in the Y-direction/mm Size in the X-direction/mm Size in the Y-direction/mm Convex cylindrical mirror +∞ −453.1 100 35 Concave cylindrical mirror +∞ 1293.37 100 100
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Yafei Feng, Chengfu Wei, Xiankui Liu, Xiaoming Ren, Zhenhua Wang, Zhaorong Meng. Design of low-order Hartmann-Shack wavefront sensor for annular laser beam[J]. Infrared and Laser Engineering, 2021, 50(7): 20210016
Paper Information
Category: Lasers & Laser optics
Received: Dec. 3, 2020
Accepted: --
Published Online: Aug. 23, 2021
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