Hong Cheng, Yong Liu, Jiajie Hu, Xiaolong Zhang, Huilong Deng, Sui Wei. Hybrid phase retrieval with chromatic dispersion in single-lens system[J]. Infrared and Laser Engineering, 2020, 49(10): 20200017
- Infrared and Laser Engineering
- Vol. 49, Issue 10, 20200017 (2020)
Fig. 1. Intensity derivative diagram
Fig. 2. Schematic diagram of the angular spectrum iterative algorithm
Fig. 3. Schematic diagram of obtaining intensity difference by chromatic dispersion application in a single lens system
Fig. 4. Flow chart of hybrid phase retrieval algorithm
Fig. 5. Simulation experiment results. (a) Original phase; (b) In-focus intensity image; (c) Defocus intensity image; (d) Initial phase; (e) Final phase; (f) Comparison of the gray value of the transverse center line of the Fig.5(a) and (e)
Fig. 6. Comparison of TIE and hybrid algorithm. (a) Original phase; (b) Retrieval phases obtained by TIE algorithm; (c) Retrieval phases obtained by hybrid algorithm
Fig. 7. Practical intensity acquisition system
Fig. 8. Experimental result. (a) In-focus intensity image; (b) Defocus intensity image; (c) Phase by CD-HPR; (d) Thickness on the red line of (c); (e) 3D display
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