Fig. 1. CCD image sensor

Fig. 2. CMOS image sensor

Fig. 3. Pixel structure of CMOS

Fig. 4. Image sensors

Fig. 5. Coupling modes of ICCD/ICMOS

Fig. 6. Schematic diagram of EMCCD structure

Fig. 7. Schematic diagram of EBAPS/EBCCD devices

Fig. 8. Spectral response of EBAPS and imaging images

Fig. 9. Grades of night illumination conditions

Fig. 10. Comparison of images captured by low-illumination CMOS camera and normal CANNON camera

Fig. 11. Comparative images of tissues

Fig. 12. Imaging contrast of EBAPS device and low-illumination CMOS under 10⁻⁴ lx and 10⁻⁵ lx

Fig. 13. Comparison of LLL, infrared and fused images

Fig. 14. Visible and infrared fusion color images

Fig. 15. True color LLL imaging integrated with metasurface mosaic filters and SPAD array

Fig. 16. SEM image of black silicon wafer surface