Transient thermal behaviour of a liquid crystal target

The thermal dependence of optical activity of a liquid crystal target is used for infrared imaging in the 8–14 μ waveband. Response time, spatial resolution and sensitivity are computed as a function of various parameters such as target thickness and target reticulation. The backplate of the target...

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Bibliographic Details
Published in:Infrared physics 1980-01, Vol.20 (5), p.341-347
Main Authors: Andre, Y.B., Chambaret, J.P., Lamouroux, B.L., Prade, B.S.
Format: Article
Language:English
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Summary:The thermal dependence of optical activity of a liquid crystal target is used for infrared imaging in the 8–14 μ waveband. Response time, spatial resolution and sensitivity are computed as a function of various parameters such as target thickness and target reticulation. The backplate of the target must be maintained at a fixed temperature. The sensitivity is 0.1°C on the scene for a spatial resolution of 100 μ. Results are limited by lateral thermal spreading.
ISSN:0020-0891
DOI:10.1016/0020-0891(80)90049-4