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27 September 2001 a-Si 160 x 120 micro IR camera: operational performance
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Amorphous silicon (a-Si) microbolometer technology is a silicon fab-compatible uncooled detector technology which offers a low cost, high volume approach for infrared sensor and imager applications. Raytheon has used this detector technology to develop a 160x120 a-Si based infrared camera. The systems goal was to develop an affordable infrared imaging product that provides acceptable performance for many commercial and military applications. To meet low power goals, a non-temperature controlled detector approach was required. This led to the challenge of developing a technique for operating over ambient temperature that includes correction techniques that account for offset and responsivity non-uniformities over ambient operating temperature. This paper describes the operating performance parameters of a typical a-Si 160 X 120 IR camera. This camera is currently entering production, and will be produced by the Raytheon Commercial Infrared business.
© (2001) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Steven J. Ropson, John F. Brady III, Glenn L. Francisco, J. Gilstrap, Roland W. Gooch, P. McCardel, Bobbi Ritchey, and Thomas R. Schimert "a-Si 160 x 120 micro IR camera: operational performance", Proc. SPIE 4393, Unattended Ground Sensor Technologies and Applications III, (27 September 2001);


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