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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 29, Iss. 14 — Jul. 15, 2004
  • pp: 1668–1670

Algorithm for reconstruction of digital holograms with adjustable magnification

Fucai Zhang, Ichirou Yamaguchi, and L. P. Yaroslavsky  »View Author Affiliations


Optics Letters, Vol. 29, Issue 14, pp. 1668-1670 (2004)
http://dx.doi.org/10.1364/OL.29.001668


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Abstract

A new algorithm that allows for reconstruction of digital holograms with adjustable magnification is proposed. The algorithm involves two reconstruction steps implemented by a conventional single Fourier-transform algorithm. The advantages of the algorithm lie in its adaptability to various object sizes and recording distances as well as in its capability to maintain the pitch of a reconstructed image, independent of the reconstruction distance and wavelength for objects larger than a CCD. The feasibility of the algorithm is demonstrated by experiments. The algorithm is especially useful for reconstructing color holograms and for metrological applications.

© 2004 Optical Society of America

OCIS Codes
(090.0090) Holography : Holography
(090.1760) Holography : Computer holography
(100.3010) Image processing : Image reconstruction techniques

Citation
Fucai Zhang, Ichirou Yamaguchi, and L. P. Yaroslavsky, "Algorithm for reconstruction of digital holograms with adjustable magnification," Opt. Lett. 29, 1668-1670 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-14-1668

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