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Proceedings Paper

Use of the periodic structure of spatial light modulators for parallel pattern recognition
Author(s): Asticio A. Vargas; Juan Campos; Maria Josefa Yzuel; Claudio C. Iemmi; Silvia A. Ledesma
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Paper Abstract

In this paper we present a multichannel optical correlator for parallel pattern recognition. This architecture takes profit of the periodic pixelated structure of the Spatial Light Modulators. This structure produces several diffraction orders and each one of them may be considered as an information channel. An additional quadratic phase introduced in the filters separates the channels in the correlation plane. We give experimental and numerical results.

Paper Details

Date Published: 6 July 1999
PDF: 4 pages
Proc. SPIE 3572, 3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications, (6 July 1999); doi: 10.1117/12.358387
Show Author Affiliations
Asticio A. Vargas, Univ. Autonoma de Barcelona (Chile)
Juan Campos, Univ. Autonoma de Barcelona (Spain)
Maria Josefa Yzuel, Univ. Autonoma de Barcelona (Spain)
Claudio C. Iemmi, Univ. Autonoma de Barcelona (Argentina)
Silvia A. Ledesma, Univ. Autonoma de Barcelona (Argentina)


Published in SPIE Proceedings Vol. 3572:
3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications

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