Spatial self-filtering with polarizer sheets
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
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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