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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 19 — Oct. 1, 2013
  • pp: 3922–3925

Faithful reconstruction of digital holograms captured by FINCH using a Hamming window function in the Fresnel propagation

Nisan Siegel, Joseph Rosen, and Gary Brooker  »View Author Affiliations


Optics Letters, Vol. 38, Issue 19, pp. 3922-3925 (2013)
http://dx.doi.org/10.1364/OL.38.003922


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Abstract

Recent advances in Fresnel incoherent correlation holography (FINCH) increase the signal-to-noise ratio in hologram recording by interference of images from two diffractive lenses with focal lengths close to the image plane. Holograms requiring short reconstruction distances are created that reconstruct poorly with existing Fresnel propagation methods. Here we show a dramatic improvement in reconstructed fluorescent images when a 2D Hamming window function substituted for the disk window typically used to bound the impulse response in the Fresnel propagation. Greatly improved image contrast and quality are shown for simulated and experimentally determined FINCH holograms using a 2D Hamming window without significant loss in lateral or axial resolution.

© 2013 Optical Society of America

OCIS Codes
(090.1760) Holography : Computer holography
(090.1970) Holography : Diffractive optics
(090.2880) Holography : Holographic interferometry
(100.6890) Image processing : Three-dimensional image processing
(110.0180) Imaging systems : Microscopy
(090.1995) Holography : Digital holography

ToC Category:
Holography

History
Original Manuscript: July 22, 2013
Manuscript Accepted: August 26, 2013
Published: September 30, 2013

Citation
Nisan Siegel, Joseph Rosen, and Gary Brooker, "Faithful reconstruction of digital holograms captured by FINCH using a Hamming window function in the Fresnel propagation," Opt. Lett. 38, 3922-3925 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-19-3922

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Supplementary Material


» Media 1: AVI (1070 KB)     

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