Fig. 1. Optical path schematic of rotating double diffusers

Fig. 2. Comparison of temporal correlation functions between single diffuser and double diffusers

Fig. 3. Relationship between parameter υ and distance of double diffusers

Fig. 4. Experimental setup of holographic microscopy imaging for double diffusers

Fig. 5. Relationship of reconstructed phase contrast with different superposition numbers for 600-grit diffuser and 1500-grit diffuser

Fig. 6. Relationship of reconstructed phase contrast with different superposition numbers for 600-grit diffusers and 1500-grit diffusers

Fig. 7. Relationship of reconstructed phase contrast with different superposition numbers for single diffuser and double diffusers of 1500 grit

Fig. 8. Grating hologram and its reconstructed amplitude image for one capture. (a) Hologram; (b) reconstructed amplitude image

Fig. 9. Comparison of grating height without and with 1500 grit double diffusers. (a) 3D height distribution without process; (b) 2D height profile without process; (c) 3D height distribution with process; (d) 2D height profile with process