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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 44, Iss. 1 — Jan. 1, 2005
  • pp: 41–46

Spatial self-filtering with polarizer sheets

José A. Ferrari, Eugenio Garbusi, Erna M. Frins, and Gustavo Píriz  »View Author Affiliations


Applied Optics, Vol. 44, Issue 1, pp. 41-46 (2005)
http://dx.doi.org/10.1364/AO.44.000041


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Abstract

A method for phase visualization and edge enhancement by spatial self-filtering by use of a polarizer sheet in the Fourier plane of an optical processor is described. Light absorbed by the polarizer sheet induces a thermal lens, which, in turn, produces selective action on certain spatial frequencies of the image to be processed. Some experiments that demonstrate the self-filtering action of the proposed system are presented.

© 2005 Optical Society of America

OCIS Codes
(070.6110) Fourier optics and signal processing : Spatial filtering
(100.2980) Image processing : Image enhancement

History
Original Manuscript: July 2, 2004
Revised Manuscript: October 4, 2004
Manuscript Accepted: October 6, 2004
Published: January 1, 2005

Citation
José A. Ferrari, Eugenio Garbusi, Erna M. Frins, and Gustavo Píriz, "Spatial self-filtering with polarizer sheets," Appl. Opt. 44, 41-46 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-1-41

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