Fig. 1. Schematic diagram of basic architecture of snapshot hyperspectral polarization two-speed zoom imaging optical system

Fig. 2. Design block diagram. (a) Data flow; (b) system architecture; (c) design process

Fig. 3. Relationship among minimum resolution wavelength, relay mirror focal length, and pixel matching ratio of DMD to MPA of detector

Fig. 4. Two-dimensional structure diagrams of front zoom objective. (a) Schematic diagram of two-dimensional structure of short focus pre-zoom objective; (b) schematic diagram of two-dimensional structure of long focus pre-zoom objective

Fig. 5. 2D structure diagram of back group dispersive polarization imaging system

Fig. 6. Overall two-dimensional structure of snapshot hyperspectral polarization two-speed zoom imaging optical system. (a) Overall two-dimensional structure of system; (b) footprint of system image plane

Fig. 7. MTF diagrams of snapshot hyperspectral polarization two-speed zoom imaging optical system. (a) MTF curves of short focus system; (b) MTF curves of long focus system

Fig. 8. Spectral resolution curves of snapshot hyperspectral polarization two-speed zoom imaging optical system, and adjacent spectrum point diagrams and FWHMs for short and long focus states. (a) Spectral resolution curves; (b) adjacent spectrum point diagram for short focus state; (c) adjacent spectrum point diagram for long focus state; (d) 400 nm FWHM for short focus state; (e) 400 nm FWHM for long focus state

Fig. 9. Proof-of-principle experimental system

Fig. 10. Test diagram of polarization-preserving ability. (a) Experimental field diagram; (b) 0° polarized light imaging result at 532 nm; (c) 45° polarized light imaging result at 532 nm; (d) 90° polarized light imaging result at 532 nm; (e) 135° polarized light imaging result at 532 nm

Fig. 11. Resolution plate imaging effects. (a) Resolution board picture; (b) image captured in short focus state after unmixing and reconstruction; (c) image captured in long focus state after unmixing and reconstruction

Fig. 12. Spectral images of color pens. (a) Picture of color pens; (b) comparison of measured reflectancec of commercial spectrometer and built system; (c) spectral images of color pens

Fig. 13. Field vehicle imaging capability experiment. (a) 100 DOLP spectral slice images; (b) experimental field diagram; (c) image captured by ordinary imaging camera; (d) 0°@532 nm image; (e) 45°@532 nm image; (f) 90°@532 nm image; (g) 135°@532 nm image; (h) DOLP@532 nm image