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Opt Express. 2008 Jan 7;16(1):161-9.

Synthetic aperture single-exposure on-axis digital holography.

Author information

1
Department of Electrical and Computer Engineering, University of Connecticut, Storrs, Connecticut 06269-2157, USA. lluis.martinez@uji.es

Abstract

We present a system for reconstructing single-exposure on-line (SEOL) digital holograms with improved resolution using a synthetic aperture. Several recordings are made in order to compose the synthetic aperture, shifting the camera within the hologram plane. After processing the synthetic hologram, an inverse Fresnel transformation provides an enhanced resolution reconstruction. We show that recognition capacity for high frequency details is increased. Experimental results with a test target and with a microscopic biological sample are presented. Both visualization and correlation results are reported.

PMID:
18521144
DOI:
10.1364/oe.16.000161
[Indexed for MEDLINE]

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