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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 17 — Sep. 1, 2014
  • pp: 5010–5013

Digital holography at light levels below noise using a photon-counting approach

Nazif Demoli, Hrvoje Skenderović, and Mario Stipčević  »View Author Affiliations


Optics Letters, Vol. 39, Issue 17, pp. 5010-5013 (2014)
http://dx.doi.org/10.1364/OL.39.005010


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Abstract

Recording of digital holograms of a weak signal [0.44 counts per second (cps)] hidden below the detector’s noise (21 cps) is investigated by employing the high dynamic range of a photon-counting detector. Recording conditions are discussed in terms of the most important holographic measures, namely, the fringe visibility (or contrast) and signal-to-noise ratio (SNR), and in relation to the main holographic parameters. Theoretically evaluated curves are tested by recording holograms for a wide range of the parameter values. We found that (i) the optimum set of holographic parameters can be determined for a harsh signal conditions, (ii) increasing the visibility does not necessarily improve the more important SNR, and (iii) in cases of nearly constant visibility, the SNR clearly reveals differences in the quality of holographic recordings.

© 2014 Optical Society of America

OCIS Codes
(030.5260) Coherence and statistical optics : Photon counting
(090.0090) Holography : Holography
(100.2650) Image processing : Fringe analysis
(090.1995) Holography : Digital holography

ToC Category:
Holography

History
Original Manuscript: June 9, 2014
Revised Manuscript: July 21, 2014
Manuscript Accepted: July 21, 2014
Published: August 19, 2014

Citation
Nazif Demoli, Hrvoje Skenderović, and Mario Stipčević, "Digital holography at light levels below noise using a photon-counting approach," Opt. Lett. 39, 5010-5013 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-17-5010


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