Experimental study of a joint-transform correlator

Results of an experimental study are presented for a working model of a joint-transform correlator with a liquid-crystal spatial light modulator at the input. Correlator operation with amplitude and phase modulation and various methods for joint power spectrum processing is compared to investigation...

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Bibliographic Details
Published inQuantum electronics (Woodbury, N.Y.) Vol. 48; no. 11; pp. 1048 - 1054
Main Authors Kuzmin, M.S., Davydov, V.V., Rogov, S.A.
Format Journal Article
LanguageEnglish
Published Bristol Kvantovaya Elektronika, Turpion Ltd and IOP Publishing 01.12.2018
IOP Publishing
Subjects
AMPLITUDES
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
COMPUTERIZED SIMULATION
Correlation analysis
Joint transform correlators
joint-transform correlator
LIQUID CRYSTALS
MODULATION
nonlinear processing of a joint spectrum
Phase modulation
PHOTODETECTORS
Spatial light modulators
SPECTRA
VISIBLE RADIATION
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Summary:Results of an experimental study are presented for a working model of a joint-transform correlator with a liquid-crystal spatial light modulator at the input. Correlator operation with amplitude and phase modulation and various methods for joint power spectrum processing is compared to investigation results of the modelling partially performed earlier. A simple method is suggested for nonlinear processing of a joint spectrum, namely, limitation of its intensity by a photodetector.
ISSN:1063-7818
1468-4799
DOI:10.1070/QEL16751