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Space-variant optical correlator based on the fractional Fourier transform: implementation by the use of a photorefractive Bi(12)GeO(2(a)) (BGO) holographic filter.

作者信息

Granieri S, Del Carmen Lasprilla M, Bolognini N, Sicre E E

出版信息

Appl Opt. 1996 Dec 10;35(35):6951-4. doi: 10.1364/AO.35.006951.

DOI:10.1364/AO.35.006951
PMID:21151293
Abstract

A space-variant optical correlator is proposed on the basis of the fractional Fourier transform. The optical device uses as a recording medium for the holographic filter a photorefractive Bi(12)GeO(2) (BGO) crystal. The experimental results confirm the shift-variance properties. Some limitations that arise from the volume diffraction are also considered.

摘要

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