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Proceedings Paper

Development of a miniature InGaAs camera for wide operating temperature range using a temperature-parameterized uniformity correction
Author(s): Timothy Bakker; Devon Turner; Jesse Battaglia
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Paper Abstract

The design, development, and characterization of a new, low-power, wide operating temperature range miniature short wave infrared (SWIR) camera for military applications is described in this paper. Such applications typically require operation over an extended(<-35C to >65C) temperature range. The camera technology is based on standard indium-gallium-arsenide (InGaAs) focal plane array (FPA) technology, but eliminates the thermal electric cooler (TEC) to both expand the operating temperature range and minimize power consumption. To compensate for variable FPA temperature, new algorithms were conceived and implemented in real time camera hardware resulting in a camera with an operating temperature range wider than that possible by stabilizing with a single stage peltier cooler. The additional benefit is reduced power consumption at temperature extremes and concomitant reduction in required thermal management. Imagery and results will be presented from 320x256 and 640x512 arrays.

Paper Details

Date Published: 15 April 2008
PDF: 9 pages
Proc. SPIE 6940, Infrared Technology and Applications XXXIV, 69400K (15 April 2008); doi: 10.1117/12.780007
Show Author Affiliations
Timothy Bakker, Sensors Unlimited Inc. (United States)
Devon Turner, Sensors Unlimited Inc. (United States)
Jesse Battaglia, Sensors Unlimited Inc. (United States)

Published in SPIE Proceedings Vol. 6940:
Infrared Technology and Applications XXXIV
Bjørn F. Andresen; Gabor F. Fulop; Paul R. Norton, Editor(s)

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