Fig. 1. Sketch of the wavefront coding imaging system.

Fig. 2. Spot profile and corresponding maximum single-pixel receiving power without defocus at the imaging plane of (a) conventional imaging system at the transmission distance of 38 m; (b) CPP wavefront coding imaging system at the transmission distance of 38 m; (c) conventional imaging system at the transmission distance of 2500 m; and (d) CPP wavefront coding imaging system at the transmission distance of 2500 m.

Fig. 3. Ratio of maximum single-pixel receiving power between the conventional and the wavefront coding imaging systems.

Fig. 4. Sketch map of the experimental optical setup.

Fig. 5. Design of wavefront coding lens. (a) Schematic diagram of disassembly structure; (b) aperture stop with integrated CPP; (c) CPP component; (d) modulation function of CPP.

Fig. 6. Pulsed laser-induced damage of CMOS sensor in (a1)–(a3) conventional imaging system and (b1)–(b3) wavefront coding imaging system; (a1) and (b1) for spot damage; (a2) and (b2) for line damage; (a3) and (b3) for full screen damage.

Fig. 7. Pulsed laser-induced damage of CCD sensor in (a1)–(a3) conventional imaging system and (b1)–(b3) wavefront coding imaging system; (a1) and (b1) for spot damage; (a2) and (b2) for line damage; (a3) and (b3) for full screen damage.