Acta Photonica Sinica, Volume. 52, Issue 8, 0812004(2023)
Design and Performance Test of Low Light Level Illumination Source with Wide Dynamic Range
Figures & Tables(12)
Fig. 2. Design drawing of adjustable dynamic range integrating sphere light source unit
Fig. 5. Adjustable aperture adjustment coefficient analysis diagram
Fig. 7. Simulation results of output illumination of low light level illuminance source
Fig. 11. Instability test of wide dynamic range low light illuminance source for 1 h
Table 1. Parameters of wide dynamic range low light level illuminance source
View tableView in ArticleTable 1. Parameters of wide dynamic range low light level illuminance source
Parameter Value Reflectivity of inner wall of integrating sphere ρ/% 98 Opening ratio of child integrating sphere f/% 4.59 Opening area of child integrating sphere/mm2 176.71 Opening ratio of parent integrating sphere f/% 2.44 Opening area of parent integrating sphere/mm2 314.16 Adjustment coefficient of adjustable aperture T（l）/% 1~1.09×10-6 Radius of input aperture of cylinder aperture a/mm 2 Radius of output aperture of cylinder aperture b/mm 0.5 Length of cylinder aperture c/mm 120
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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
Paper Information
Category: Instrumentation, Measurement and Metrology
Received: Feb. 12, 2023
Accepted: Mar. 20, 2023
Published Online: Sep. 26, 2023
The Author Email: ZHENG Xiaobing (xbzheng@aiofm.ac.cn)
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