Twin image elimination from two in-line holograms via phase retrieval
Chinese Optics Letters, Vol. 10, Issue 6, pp. 060902- (2012)
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Abstract
The reconstruction quality of in-line holography suffers from the superposition of twin images that have different foci but identical information content. We propose a phase retrieval method using two axially displaced holograms and a finite transmission constraint to eliminate the conjugate image. The simulation and experimental results demonstrate a better elimination effect and a faster rate of convergence compared with those of previously reported methods. Two holograms can be recorded simultaneously using two cameras, thus this technique can be used in real-time imaging.
© 2012 Chinese Optics Letters
OCIS Codes
(100.3010) Image processing : Image reconstruction techniques
(100.5070) Image processing : Phase retrieval
(110.0180) Imaging systems : Microscopy
(090.1995) Holography : Digital holography
ToC Category:
Holography
Citation
Lu Rong, Feng Pan, Wen Xiao, Yan Li, and Fanjing Wang, "Twin image elimination from two in-line holograms via phase retrieval," Chin. Opt. Lett. 10, 060902- (2012)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-10-6-060902
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