Imaging Components, Systems, and Processing

Iterative reconstruction of digital holograms from three intensity measurements

[+] Author Affiliations
Liang Zhao, Yang Wu, John T. Sheridan

University College Dublin, School of Electrical, Electronic and Communications Engineering, IoE2 Lab, SFI-Strategic Research Cluster in Solar Energy Conversion, College of Engineering and Architecture, Belfield, Dublin 4, Ireland

Damien P. Kelly

Technische Universität Ilmenau, Institut für Mikro-und Nanotechnologien, Macro-Nano, Fachgebiet Optik Design, P.O. Box 10 05 65, 98684 Ilmenau, Germany

Opt. Eng. 55(3), 033106 (Mar 28, 2016). doi:10.1117/1.OE.55.3.033106
History: Received October 27, 2015; Accepted January 27, 2016
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Abstract.  A practical technique is presented based on DH, for the reconstruction of a wavefront from three recorded intensity images. Combining the off-axis Fourier spatial filtering (OFSF) technique with iterative phase retrieval algorithms, it is shown how the twin image can be eliminated. The proposed method overcomes system geometry constraints and improves both the flexibility and resolution associated with OFSF-based DH. It also overcomes the cost problem associated with phase-shifting interferometry-based DH. In order to demonstrate the performance of the proposed DH method, both simulation and experiment results for objects having smooth and rough surfaces are presented.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Liang Zhao ; Yang Wu ; Damien P. Kelly and John T. Sheridan
"Iterative reconstruction of digital holograms from three intensity measurements", Opt. Eng. 55(3), 033106 (Mar 28, 2016). ; http://dx.doi.org/10.1117/1.OE.55.3.033106


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