Image Converter Based on the Pyroelectric Layer - Liquid Crystal Structure

The operation of an image converter (IC) for middle infrared radiation (lambda~ 10 micrometers) is considered. The device has a sandwich structure consisting of a pyroelectric layer and liquid crystal layer. The theoretical analysis of the dependence of the thermal imaging system sensitivity from th...

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Bibliographic Details
Main Authors: Shut, V.N., Mikhnevich, V.V., Syrtsov, S.R., Dubrovskaya, T.S., Kurjanovich, E.P.
Format: Conference Proceeding
Language:English
Subjects:
Image analysis
Image converters
Infrared imaging
infrared radiation
Liquid crystal devices
Liquid crystals
Optical imaging
pyroelectric material
Pyroelectricity
Sandwich structures
Spatial resolution
Testing
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Description
Summary:The operation of an image converter (IC) for middle infrared radiation (lambda~ 10 micrometers) is considered. The device has a sandwich structure consisting of a pyroelectric layer and liquid crystal layer. The theoretical analysis of the dependence of the thermal imaging system sensitivity from thermal and electrical parameters of the layers is presented. The example of the thermal image of a test-object is shown. The sensitivity of the device in these experiments was (1-5)10 -3 W/cm 2 , spatial resolution R = 2-3 mm -1 .
ISSN:1099-4734
2375-0448
DOI:10.1109/ISAF.2006.4387844