Infrared and Laser Engineering, Volume. 52, Issue 1, 20220339(2023)
Diffuse reflection characteristics measurement of new type spaceborne solar calibration diffuser in ultraviolet band
Figures & Tables(11)
Fig. 2. Schematic diagram of the measurement device for diffuse reflection characteristics
Fig. 3. Measurement of diffuse reflectance characteristics of aluminum diffuser
Fig. 4. Measurement of diffuse reflectance characteristics of HOD diffuser
Fig. 5. Lambert characteristic deviation of aluminum diffuser and HOD diffuser at about 290 nm
Table 1. Repeatability of the measurement device for diffuse reflection characteristics
View tableView in ArticleTable 1. Repeatability of the measurement device for diffuse reflection characteristics
Relative angle/(°) Repeatability ratio range Repetitive fluctuation −20 1.0000-1.0062 0.62% −10 1.0045-0.9974 0.71% 0 0.9971-1.0043 0.72% 10 0.9944-1.0033 0.71% 20 0.9935-1.0019 0.74% Total 0.9935-1.0062 1.27%
Table 2. Measurement uncertainty of device
View tableView in ArticleTable 2. Measurement uncertainty of device
Sources of uncertainty Relative uncertainty contribution Xenon lamp stability 0.5% Angle measurement error 0.9% Spectrometer response nonlinearity 0.5% Spectrometer signal-to-noise ratio 1.0% Spectrometer stray light 0.1% Repeatability of measuring device 1.32% Combined uncertainty 2.02%
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Jiexiong Zeng, Yu Huang, Zhanfeng Li, Guanyu Lin, Yuan Li. Diffuse reflection characteristics measurement of new type spaceborne solar calibration diffuser in ultraviolet band[J]. Infrared and Laser Engineering, 2023, 52(1): 20220339
Paper Information
Category: Photoelectric measurement
Received: May. 18, 2022
Accepted: --
Published Online: Feb. 9, 2023
The Author Email: Li Zhanfeng (lizhanfeng115@163.com)
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