Fig. 1. Optical schematic of the wide-area co-prism multispectral camera

Fig. 2. Schematic diagram of the prism’s effect on geometric vector transmission of light rays

Fig. 3. Schematic diagram of geometric vector ray tracing for prism-modulated light

Fig. 4. Dependence of prism-induced spherical aberration on optical parameters. (a) Dependence of spherical aberration on air spacing d_3.1; (b) dependence of spherical aberration on equivalent optical path thickness d_3.2; (c) dependence of spherical aberration on prism angle β_3.2

Fig. 5. Dependence of prism-induced coma aberration on optical parameters. (a) Dependence of coma aberration on air spacing d_3.1; (b) dependence of coma aberration on equivalent optical path thickness d_3.2; (c) dependence of coma aberration on prism angle β_3.2

Fig. 6. Dependence of prism-induced astigmatism aberration on optical parameters. (a) Dependence of astigmatism aberration on air spacing d_3.1; (b) dependence of astigmatism aberration on equivalent optical path thickness d_3.2; (c) dependence of astigmatism aberration on prism angle β_3.2

Fig. 7. Optimization results of visible band design of wide field of view (wide-FoV) wide-area co-prism multispectral camera. (a) System layout; (b) MTF curves; (c) RMS spot diagrams

Fig. 8. Optimization results of ultraviolet band design of wide-FoV wide-area co-prism multispectral camera. (a) System layout; (b) MTF curves; (c) RMS spot diagrams

Fig. 9. Overall optical design layout of a wide-area co-prism multispectral camera with dual spectral segments and wide-FoV

Fig. 10. Design scheme of narrowband filter film combined with bandpass cut-off film and preparation process of multichannel narrowband filter structure

Fig. 11. Schematic diagram of the structural design of a wide-FoV wide-area co-prism multispectral camera