Zhenyang Li, Zhenhai Liu, Peng Zou, Shuangshuang Zhu, Xuefeng Lei, Fei Tao, Rufang Ti, Maoxin Song, Jin Hong. Prelaunch Calibration and Ground Verification Test of Spaceborne Particulate Observing Scanning Polarimeter[J]. Acta Optica Sinica, 2021, 41(3): 0312002
- Acta Optica Sinica
- Vol. 41, Issue 3, 0312002 (2021)
Fig. 1. Structural of POSP optical system
Fig. 2. Schematic of device for polarization measurement accuracy
Fig. 3. Uncertainty of POSP polarization calibration
Fig. 4. Test results of POSP polarization accuracy. (a) 22.3°; (b) 28.3°; (c) 45.0°; (d) 59.0°
Fig. 5. Composite uncertainty of radiation calibration of POSP in various bands
Fig. 6. Spectral response curves of POSP at different channels. (a) 443 nm; (b) 490 nm; (c) 670 nm; (d) 865 nm
Fig. 7. Data comparison results of 0° observation zenith angle. (a) Radiance; (b) degree of polarization; (c) ΔL; (d) ΔP
Fig. 8. Processing results of degree of polarization in sky. (a) Maximum degree of polarization; (b) minimum degree of polarization; (c) maximum degree of polarization deviation; (d) minimum degree of polarization deviation
Fig. 9. Processing results of sky radiance. (a) Minimum radiance; (b) maximum radiance; (c) minimum radiance deviation; (d) maximum radiance deviation
Fig. 10. Comparison results of polarization degree consistency between POSP and CE318N in different channels. (a) 443 nm; (b) 490 nm; (c) 670 nm; (d) 865 nm
Fig. 11. Comparison results of radiance consistency between POSP and CE318N in different channels. (a) 443 nm; (b) 490 nm; (c) 670 nm; (d) 865 nm
Fig. 12. Linear fitting results before and after spectral matching in 490 nm channel
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Table 1. Main technical indicators of POSP
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Table 2. Spectrum band configuration of CE318N and POSP
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Table 3. Spectral matching results of POSP at different channels
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