Bihai Tu, Jin Hong, Pingping Yao, Binhuan Meng, Yinlin Yuan, Miaomiao Zhang, Jianwen Weng. Polarization Detection Performance of Directional Polarimetric Camera[J]. Acta Optica Sinica, 2020, 40(7): 0712003
- Acta Optica Sinica
- Vol. 40, Issue 7, 0712003 (2020)
Fig. 1. Diagram of instrument system composition
Fig. 2. Diagram of on-orbit work
Fig. 3. Schematic diagram of DPC imaging system
Fig. 4. Schematic diagram of optical system
Fig. 5. 865 nm polarized effect of lens
Fig. 6. 910 nm polarized effect of lens
Fig. 7. Schematic diagram of performance measurement experiment setup
Fig. 8. Measurement range of experiment
Fig. 9. Original image of DPC
Fig. 10. DOLP image of DPC
Fig. 11. Flow chart of data processing
Fig. 12. Diffusion function curve
Fig. 13. 2D diffusion function diagram
Fig. 14. Global coefficient matrix data. (a) Region (6,6); (b) region (7,8)
Fig. 15. Stray light correction. (a) RGB image; (b) corrected data at wavelength of 865 nm; (c) ratio of stray light signal to effective data
Fig. 16. DPC data preview
Fig. 17. Polarization change curve of sunglint
Fig. 18. Angle sensitivity curve
Fig. 19. Data at wavelength of 865 nm. (a) Radiation intensity; (b) degree of polarization; (c) sunglint angle; (d) scattering angle
Fig. 20. Spectral response curve of 865 nm channel
Fig. 21. Polarization analysis of sunglint. (a) Simulation data; (b) DPC data; (c) deviation distribution; (d) polarization comparison scatter plot
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Table 1. Preset parameters of light source
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Table 2. Measured value at wavelength of 865 nm
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Table 3. Measured value at wavelength of 865 nm
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