Fig. 1. Schematic diagram of phase measuring deflectometric system

Fig. 2. Phase measuring deflectometric system considering refractive error

Fig. 3. Refraction model of fringe pattern displayed on TD

Fig. 4. Refraction model of fringe pattern displayed on LCD

Fig. 5. Refracted optical path of display

Fig. 6. Geometric optical path of refractive angle of measured rays

Fig. 7. Physical diagram of DPMD experimental system

Fig. 8. Measurement results from simulation experiment

Fig. 9. Experimental results of ring steps

Fig. 10. Experimental results of combined mirror object