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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 3 — Feb. 11, 2013
  • pp: 2581–2591

Single shot high resolution digital holography

Kedar Khare, P. T. Samsheer Ali, and Joby Joseph  »View Author Affiliations


Optics Express, Vol. 21, Issue 3, pp. 2581-2591 (2013)
http://dx.doi.org/10.1364/OE.21.002581


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Abstract

We demonstrate a novel computational method for high resolution image recovery from a single digital hologram frame. The complex object field is obtained from the recorded hologram by solving a constrained optimization problem. This approach which is unlike the physical hologram replay process is shown to provide high quality image recovery even when the dc and the cross terms in the hologram overlap in the Fourier domain. Experimental results are shown for a Fresnel zone hologram of a resolution chart, intentionally recorded with a small off-axis reference beam angle. Excellent image recovery is observed without the presence of dc or twin image terms and with minimal speckle noise.

© 2013 OSA

OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(090.0090) Holography : Holography
(110.0110) Imaging systems : Imaging systems

ToC Category:
Holography

History
Original Manuscript: November 7, 2012
Revised Manuscript: December 21, 2012
Manuscript Accepted: December 25, 2012
Published: January 28, 2013

Citation
Kedar Khare, P. T. Samsheer Ali, and Joby Joseph, "Single shot high resolution digital holography," Opt. Express 21, 2581-2591 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-3-2581


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