Ferroelectric optical image comparator using PLZT thin films

24 November 1988

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 24 (24) , 1486-1487
https://doi.org/10.1049/el:19881014

Abstract

A PLZT thin film device has been constructed in which the photoinduced current represents the dot product between a stored image and an image projected onto its surface. One-dimensional autocorrelations have been performed by measuring this current while displacing the projected image. This device has the potential to perform as a high-resolution, high-speed optical comparator.

Keywords

PHOTOINDUCED CURRENT
FERROELECTRIC OPTICAL IMAGE
HIGH-SPEED OPTICAL COMPARATOR
STORED IMAGE
PLZT/INT
DOT PRODUCT
AUTOCORRELATIONS
PROJECTED IMAGE

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