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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 3 — Feb. 5, 2007
  • pp: 887–895

Suppression of the Moiré effect in sub-picosecond digital in-line holography

F. Nicolas, S. Coëtmellec, M. Brunel, and D. Lebrun  »View Author Affiliations

Optics Express, Vol. 15, Issue 3, pp. 887-895 (2007)

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Digital in-line holography is widely used in flow studies where the 3D position, size and velocity of particles or fibers has to be known at a given time. When holograms are recorded by using a sub-picosecond laser, the enlargement of the spectral distribution acts as a spatial low-pass filter over the intensity distribution of the diffraction pattern. This is not a disadvantage as regards to the spatial sampling. Indeed, the Moiré effect, due to the sub-sampling of the fringe pattern is naturally reduced. Experimental results are provided.

© 2007 Optical Society of America

OCIS Codes
(090.0090) Holography : Holography
(090.1760) Holography : Computer holography
(100.3010) Image processing : Image reconstruction techniques
(100.6890) Image processing : Three-dimensional image processing

ToC Category:

Original Manuscript: September 27, 2006
Revised Manuscript: November 13, 2006
Manuscript Accepted: November 13, 2006
Published: February 5, 2007

F. Nicolas, S. Coëtmellec, M. Brunel, and D. Lebrun, "Suppression of the Moiré effect in sub-picosecond digital in-line holography," Opt. Express 15, 887-895 (2007)

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