Fig. 1. Off-axis aspheric detection system

Fig. 2. Reverse iterative optimization and reconstruction process

Fig. 3. Simulation results of off-axis aspheric surface shapes at different orders. (a) Quadratic term; (b) higher order items

Fig. 4. Effect of off-axis aspheric surface under different conditions. (a) Tilt; (b) eccentricity

Fig. 5. Effect of pitch error between off-axis aspheric surface and different lenses. (a) Lens 1; (b) lens 2

Fig. 6. Interference patterns in different situations.(a) Only surface shape is added; (b) random adjustment error term is added

Fig. 7. Face shapes demodulated by different methods. (a) Reverse iteration; (b) simulation