Fig. 1. Full polarization imaging detection. (a) Test scenario; (b) principle prototype

Fig. 2. Polarization imaging test result. (a) Visible light intensity image; (b) polarization image

Fig. 3. Multidimensional oil classification test site and results. (a) Test site; (b) oil location; (c) visible light image; (d) polarization image

Fig. 4. Degree of polarizations of five kinds of oils at different observation angles

Fig. 5. Construction of the CMPI based on DCSP

Fig. 6. Schematic diagram of polarization spectrum imaging

Fig. 7. Design of pupil filter^[25]. (a) Distribution of phase plate annular zone; (b) comparison of PSF before and after adding phase modulator

Fig. 8. Imaging effects of each field of view before and after adding modulation element^[25]. (a) Free-modulation; (b) 0°; (c) 0.16°; (d) 0.28°

Fig. 9. Reflector components^[30]

Fig. 10. Geometric configuration of high-orbit space debris and the laser ranging constellation as well as the position relationship in the XYZ coordinate system^[31]

Fig. 11. Flowchart of moving to moving laser pointing prediction method

Fig. 12. Space-based optical system for laser ranging of space targets

Fig. 13. Schematic of rotating paraboloid-based surface

Fig. 14. Overall scheme of one-point to multi-point simultaneous space laser communication system^[38]

Fig. 15. Field test diagram of one-point to two-point simultaneous space laser communication

Fig. 16. General function diagram^[40]

Fig. 17. Composition of space-based debris monitoring system

Fig. 18. System work flowchart

Fig. 19. Principle prototype of integration of detection and imaging