Xuelian Yu, Bingmei Guo, Xiufang Li, Tao Shen. Design of Small Distortion Phone Lens Based on Iris Recognition[J]. Laser & Optoelectronics Progress, 2020, 57(1): 012204
- Laser & Optoelectronics Progress
- Vol. 57, Issue 1, 012204 (2020)
Fig. 1. Initial structure
Fig. 2. MTF curves of initial structure
Fig. 3. Optimized structure layout
Fig. 4. MTF at 1/2 Nyquist frequency with working distance of 160-500 mm
Fig. 5. Field curvature and optics distortion
Fig. 6. Relative illumination curve
Fig. 7. MTF curves obtained by tolerance analysis
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Table 1. Parameters of CMOS
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Table 2. Design parameters
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Table 3. Setting table of tolerance parameters
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Table 4. Product benign rate obtained by Monte Carlo tolerance analysis
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