Issue |
J. Eur. Opt. Soc.-Rapid Publ.
Volume 8, 2013
|
|
---|---|---|
Article Number | 13077 | |
Number of page(s) | 8 | |
DOI | https://doi.org/10.2971/jeos.2013.13077 | |
Published online | 12 December 2013 |
Regular papers
Overview of techniques applicable to self-interference incoherent digital holography
Department of Physics, University of South Florida, Tampa, FL 33620, USA
Received:
18
October
2013
Accepted:
14
November
2013
Self-interference incoherent digital holography (SIDH) retrieves the complex hologram from the object illuminated by the incoherent light. Supported by the adaptive optic feature, SIDH is readily applicable to the ocular imaging to investigate the human retinal cells. Considering the practical issues, issues related to resolution, phase-shifting, and contrast should be addressed to implement the viable SIDH system which is capable of recording the holographic information of human retinal cells under the incoherent illumination. Super resolution image reconstruction technique can be directly applied to SIDH to enhance the resolution of the system without any change of configuration. We present the improved way to incorporate the phase-shifting itself into the lateral shift required by the super resolution technique. To deal with the phase-shifting issue, we present an arbitrary phase shift retrieval algorithm which can reduce the number of phase-shift and accept the blind phase-shift. The single-shot imaging is also possible by adopting the off-axis configuration of SIDH. We will provide the detailed procedures to retrieve the complex hologram using the proposed arbitrary phase shifting algorithm and the off-axis configuration.
Key words: Digital holography / incoherent holography / retinal imaging / super resolution / single-shot imaging
© The Author(s) 2013. All rights reserved.
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