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Proceedings Paper

Direct view thermal imager
Author(s): Ralph R. Reinhold
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Paper Abstract

This device has a number of potential applications. It may be used in a direct view mode as a thermal night sight. It may be integrated with a fiber-optic faceplate visible charge-couple device (CCD) and then used as a TV-type thermal imager. Alignment of the sensor to the CCD is not very critical. In a slightly modified version, the output image may be a spatial light modulator serving as input to an optical processor. Examples of the above implementations are given. The converter can be tailored to accept either the 3 to 5 micrometers or the 8 to 14 micrometers infrared bands. The quantum efficiency is on the order of 30, but the low noise performance and starting mode of operation readily offset this. The unique design greatly reduces the impact of structural defects. Pixel-to-pixel uniformity of the device is very good. The simple design offers a potential for high-resolution large-area imagers. The paper discusses the supporting theory and device design. The manufacturing process, the results to date, and the performance are also discussed.

Paper Details

Date Published: 1 July 1991
PDF: 12 pages
Proc. SPIE 1447, Charge-Coupled Devices and Solid State Optical Sensors II, (1 July 1991); doi: 10.1117/12.45336
Show Author Affiliations
Ralph R. Reinhold, Boeing Co. (United States)

Published in SPIE Proceedings Vol. 1447:
Charge-Coupled Devices and Solid State Optical Sensors II
Morley M. Blouke, Editor(s)

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