Yue LI, Yinlin YUAN, Yingjie YE, Deyao KONG, Lan XIAO, Wenchao ZHAI, Xiaobing ZHENG. Design and Performance Test of Low Light Level Illumination Source with Wide Dynamic Range[J]. Acta Photonica Sinica, 2023, 52(8): 0812004
- Acta Photonica Sinica
- Vol. 52, Issue 8, 0812004 (2023)
Fig. 1. Scheme drawing of illuminance source
Fig. 2. Design drawing of adjustable dynamic range integrating sphere light source unit
Fig. 3. Mechanical design drawing of adjustable aperture
Fig. 4. Schematic diagram of cylinder aperture
Fig. 5. Adjustable aperture adjustment coefficient analysis diagram
Fig. 6. Adjustable aperture adjustment coefficient T （l）
Fig. 7. Simulation results of output illumination of low light level illuminance source
Fig. 8. Picture of low light level illuminance source
Fig. 9. Illuminance response coefficient of the monitor detector
Fig. 10. Test results of illuminance dynamic range
Fig. 11. Instability test of wide dynamic range low light illuminance source for 1 h
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Table 1. Parameters of wide dynamic range low light level illuminance source
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