Fig. 1. Schematic diagram of off-axis holographic storage optical path

Fig. 2. Schematic diagram of the crumpling test device

Fig. 3. Effect of sample thickness on diffraction efficiency

Fig. 4. Variation of diffraction efficiency with light intensity at different thicknesses

Fig. 5. The relation between diffraction peak value and light intensity

Fig. 6. Relation between interference angle and diffraction efficiency

Fig. 7. Angular selectivity curves with different parameters