Collection Of theses on high power laser and plasma physics, 2015, 13 (1): 020916, Published Online: May. 27, 2017  

High-resolution digital holography with the aid of coherent diffraction imaging

Author Affiliations
1 Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
2 Department of Engineering Technology and Science, Higher Colleges of Technology, Fujairah 4114, United Arab Emirates
3 Department of Physics and Astronomy, KU Leuven, 3001, Heverlee, Belgium
Abstract
The image reconstructed in ordinary digital holography was unable to bring out desired resolution in comparison to photographic materials; thus making it less preferable for many interesting applications. A method is proposed to enhance the resolution of digital holography in all directions by placing a random phase plate between the specimen and the electronic camera and then using an iterative approach to do the reconstruction. With this method, the resolution is improved remarkably in comparison to ordinary digital holography. Theoretical analysis is supported by numerical simulation. The feasibility of the method is also studied experimentally.

Zhilong Jiang, Suhas P. Veetil , Jun Cheng, Cheng Liu, Ling Wang, Jianqiang Zhu. High-resolution digital holography with the aid of coherent diffraction imaging[J]. Collection Of theses on high power laser and plasma physics, 2015, 13(1): 020916.

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