Chaoyang MEI, Qingfeng CUI, Yang HU, Lin SUN, Xudong GAO, Hanqin ZHENG. Correction Method of Narcissus Effect of Cooled Infrared System Based on Differential Threshold[J]. Acta Photonica Sinica, 2021, 50(11): 1111003
- Acta Photonica Sinica
- Vol. 50, Issue 11, 1111003 (2021)
Fig. 1. Narcissus effect of infrared optical system
Fig. 2. Flow of proposed method
Fig. 3. Flow of threshold processing
Fig. 4. The initial structure of cooled infrared optical system
Fig. 5. MTF curves of optical system
Fig. 6. MTF curves of optical system
Fig. 7. Tracepro ray tracing diagram
Fig. 8. Schematic diagram of cold reflection spot
Fig. 9. Simulation diagram of Matlab
Fig. 10. Comparison of results before and after imaging restoration of resolution plate
Fig. 11. Comparison of results before and after simulated imaging restoration
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Table 1. System design index
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Table 2. YNI of each surface of the initial system
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Table 3. Limit the YNI of each surface of the system
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Table 4. YNI of each surface of the final system
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Table 5. Objective evaluation of function value
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Table 6. Objective evaluation of function value
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