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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editor: Gregory W. Faris
  • Vol. 1, Iss. 7 — Jul. 17, 2006

Reconstruction algorithm for high-numerical-aperture holograms with diffraction-limited resolution

Fucai Zhang, Giancarlo Pedrini, and Wolfgang Osten  »View Author Affiliations

Optics Letters, Vol. 31, Issue 11, pp. 1633-1635 (2006)

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A fast algorithm is proposed for the reconstruction of digital holograms that are recorded at high numerical aperture. The method directly evaluates the Rayleigh–Sommerfeld diffraction integral by use of a fast convolution algorithm. A shift parameter that accounts for the coordinate system’s transverse displacement of the object plane and the hologram plane is introduced in a discrete representation of the diffraction kernel. Combination of the samplings reconstructed with different shift values yields diffraction-limited resolution over the full field of view. The algorithm is suitable for various applications such as holographic microscopy and metrology. Simulation and experimental results are presented.

© 2006 Optical Society of America

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

ToC Category:

Original Manuscript: December 22, 2005
Revised Manuscript: February 23, 2006
Manuscript Accepted: February 24, 2006

Virtual Issues
Vol. 1, Iss. 7 Virtual Journal for Biomedical Optics

Fucai Zhang, Giancarlo Pedrini, and Wolfgang Osten, "Reconstruction algorithm for high-numerical-aperture holograms with diffraction-limited resolution," Opt. Lett. 31, 1633-1635 (2006)

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