Fig. 1. Schematic of light path of single lens imaging system

Fig. 2. Schematic of experimental study system

Fig. 3. Comparison of theoretical simulation and experimental measurement when the approximation condition is not satisfied. (a) Simulation result of formula (9); (b) simulation result of formula (14); (c) experimental result

Fig. 4. Comparison of theoretical simulation and experimental measurement when the approximation condition is satisfied. (a) Simulation result of formula (9); (b) simulation result of formula (14); (c) experimental result

Fig. 5. Comparison of theoretical simulation and experimental measurement of intensity distribution and phase distribution of image field with aperture. (a) Simulation hologram; (b) frequency of simulation hologram; (c) intensity distribution of simulation image field; (d) phase distribution of simulation image field; (e) experimental hologram; (f) frequency of experimental hologram; (g) intensity distribution of experimental image field; (h) phase distribution of experimental image field

Fig. 6. Comparison of theoretical simulation and experimental measurement of intensity distribution and phase distribution of image field without aperture. (a) Simulation hologram; (b) frequency of simulation hologram; (c) intensity distribution of simulation image field; (d) phase distribution of simulation image field; (e) experimental hologram; (f) frequency of experimental hologram; (g) intensity distribution of experimental image field; (h) phase distribution of experimental image field

Fig. 7. Comparison of theoretical simulation and experimental measurement of defocussing image field. (a) Simulation result of Δz2=-5 mm; (b) experimental result of Δz2=-5 mm; (c) simulation result of Δz2=-3 mm; (d) experimental result of Δz2=-3 mm; (e) simulation result of Δz2=0 mm (image plane); (f) experimental result of Δz2=0 mm (image plane); (g) simulation result of Δz2=3 mm; (h) experimental result of Δz2=3 mm; (i) simulation result of Δz2=5 mm; (j) experimental result of Δz2=5 mm