Fig. 1. Structure diagram of liquid crystal optical wedge device

Fig. 2. Coordinate systems. (a) Effective regional plane coordinate system; (b) deflected beam space coordinate system

Fig. 3. Structure diagram of imaging system

Fig. 4. Principles of super-resolution imaging. (a) Initial image; (b) X direction offset -0.5 pixel; (c) Y direction offset -0.5 pixel; (d) offset by -0.5 pixel in both X,Y directions; (e) super-resolution image

Fig. 5. Interference image acquisition optical path

Fig. 6. Response curves of liquid crystal phase change to voltage. (a) Two 5 μm liquid crystal cells; (b) three 5 μm liquid crystal cells

Fig. 7. Device response time measurement

Fig. 8. Physical installation diagram of imaging system

Fig. 9. ISO12233 Initial image of resolution plate (rectangular area for subsequent testing)

Fig. 10. Extreme resolution comparison test. (a)(d) Initial image; (b)(e) single frame interpolated image; (c)(f) multi-frame super-resolution image

Fig. 11. Comparison chart of the extreme resolution

Fig. 12. Comparison of MTF curves for single-frame interpolated image and multi-frame super-resolution image