Optical implementation of a photorefractive fractional joint transforms correlator

J. E. Rueda, A. Salazar, M. Del

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Resumen

The optical implementation of a photorefractive fractional joint transforms correlator was studied. It was based on a non-degenerated four-wave mixing in a photorefractive crystal BSO. The fractional Fourier transform of the input scene, and a fractional Fourier transform of the reference image, were found interfere in the photorefractive material BSO to produce a phase hologram. The experimental results of the study of sensibility from the correlator to the rotation of the input patterns were presented.

Idioma originalInglés
Páginas (desde-hasta)553-556
Número de páginas4
PublicaciónProceedings of SPIE - The International Society for Optical Engineering
Volumen4419
DOI
EstadoPublicada - 2001
Publicado de forma externa
Evento4th Iberoamerican Meeting on Optics and 7th Latin American Meeting on Optics, Lasers, and Their Applications - Tandil, Argentina
Duración: 3 sept. 20017 sept. 2001

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