Kuizhen Luo, Fangjin Yu, Xingyu Gao. Apochromatic Design of Machine Vision Optical System[J]. Laser & Optoelectronics Progress, 2021, 58(24): 2415003
- Laser & Optoelectronics Progress
- Vol. 58, Issue 24, 2415003 (2021)
Fig. 1. Initial structure of the ideal optical system
Fig. 2. Optical structure of four segments. (a) First segment; (b) second segment; (c) third segment; (d) fourth segment
Fig. 3. Chromatic aberration curves of four segments. (a) First segment; (b) second segment; (c) third segment; (d) fourth segment
Fig. 4. Initial structure of the optical system
Fig. 5. Optical system performance after the second optimization. (a) MTF; (b) chromatic aberration curve
Fig. 6. Buchdahl dispersion coefficients of some glass materials
Fig. 7. Dispersion vector diagram of the second optimization result
Fig. 8. Dispersion vector diagram of the third optimization result
Fig. 9. Optical system performance after the third optimization. (a) MTF; (b) chromatic aberration curve
Fig. 10. Final apochromatic optical system. (a) Structure diagram; (b) aberration curve; (c) point diagram; (d) MTF; (e) chromatic aberration diagram
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Table 1. Optical parameters of the optical system
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Table 2. Tracing parameters of the light and the dispersion coefficient of the glass in the second optimization
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Table 3. Tracing parameters of the light and the dispersion coefficient of the glass in the third optimization
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