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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 18 — Sep. 15, 2009
  • pp: 2787–2789

Controlling depth of focus in 3D image reconstructions by flexible and adaptive deformation of digital holograms

P. Ferraro, M. Paturzo, P. Memmolo, and A. Finizio  »View Author Affiliations


Optics Letters, Vol. 34, Issue 18, pp. 2787-2789 (2009)
http://dx.doi.org/10.1364/OL.34.002787


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Abstract

We show here that through an adaptive deformation of digital holograms it is possible to manage the depth of focus in 3D imaging reconstruction. Deformation is applied to the original hologram with the aim to put simultaneously in focus, and in one reconstructed image plane, different objects lying at different distances from the hologram plane (i.e., CCD sensor). In the same way, by adapting the deformation it is possible to extend the depth of field having a tilted object entirely in focus. We demonstrate the method in both lensless as well as in microscope configuration.

© 2009 Optical Society of America

OCIS Codes
(100.3010) Image processing : Image reconstruction techniques
(110.0180) Imaging systems : Microscopy
(180.3170) Microscopy : Interference microscopy
(180.6900) Microscopy : Three-dimensional microscopy
(090.1995) Holography : Digital holography

ToC Category:
Holography

History
Original Manuscript: June 10, 2009
Revised Manuscript: August 16, 2009
Manuscript Accepted: August 16, 2009
Published: September 9, 2009

Citation
P. Ferraro, M. Paturzo, P. Memmolo, and A. Finizio, "Controlling depth of focus in 3D image reconstructions by flexible and adaptive deformation of digital holograms," Opt. Lett. 34, 2787-2789 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-18-2787

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