Jie LU, Le CHANG, Yixin CHEN, Yunlong JIANG, Tianning SU, Beihong LIU, Hang ZHAO, Yunsheng QIAN, Jian LIU. Development of afterglow time test system for nanosecond fluorescent screen of low-level-light image intensifier[J]. Journal of Applied Optics, 2022, 43(6): 1130
- Journal of Applied Optics
- Vol. 43, Issue 6, 1130 (2022)
Fig. 1. Structure block diagram of rapid afterglow time test system for fluorescent screen
Fig. 2. Physical drawing of rapid afterglow time test system for fluorescent screen
Fig. 3. Physical drawing of rapid afterglow time inner structure of camera obscura
Fig. 4. Structure block diagram of luminance test module
Fig. 5. Hardware physical drawing of luminance test module
Fig. 6. Program interface of rapid afterglow time test system for fluorescent screen
Fig. 7. Iteration diagram of Kalman filtering algorithm
Fig. 8. Schematic diagram of Kalman filter with different parameter values
Fig. 9. Flow chart of fast finding jump edge algorithm based on downsampling
Fig. 10. Afterglow curve of light source under empty-tube conditions
Fig. 11. Schematic diagram of afterglow curve of fluorescent screen
Fig. 12. Schematic diagram of luminance curves of fluorescent screen under different gain voltages
Fig. 13. Schematic diagram of luminance curves of fluorescent screen under different light source intensities
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Table 1. Signal parameter setting of high-speed signal generator
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Table 2. Test results of light source afterglow under empty-tube conditions
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Table 3. Afterglow test results in single mode
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