Design and performance of a 486 x 640 pixel platinum silicide IR imaging system

David L. Clark; Joseph R. Berry; Gary L. Compagna; Michael A. Cosgrove; Geoffrey G. Furman; James R. Heydweiller; Harris Honickman; Raymond A. Rehberg; Paul H. Sorlie; Edward T. Nelson

doi:10.1117/12.48746

1 December 1991 Design and performance of a 486 x 640 pixel platinum silicide IR imaging system

David L. Clark, Joseph R. Berry, Gary L. Compagna, Michael A. Cosgrove, Geoffrey G. Furman, James R. Heydweiller, Harris Honickman, Raymond A. Rehberg, Paul H. Sorlie, Edward T. Nelson

Author Affiliations +

Proceedings Volume 1540, Infrared Technology XVII; (1991) https://doi.org/10.1117/12.48746
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

An infrared imaging system based on a high resolution platinum silicide detector has been developed. The detector is a 486 X 640 Schottky Barrier photodiode array with a CCD readout multiplexer. The imaging system includes signal processing electronics to correct the fixed pattern noise and implements a histogram projection algorithm for automatic gain and offset adjustment and dynamic range compression. The performance of the pattern noise correction has been demonstrated to reduce the residual pattern noise below the image shot noise over a scene temperature range of more than 50 degree(s)C. The effect of optical cross talk in the imager has been examined. The magnitude of the side lobes has been found to be a factor of about 7 X 104 smaller than the central spot.

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David L. Clark, Joseph R. Berry, Gary L. Compagna, Michael A. Cosgrove, Geoffrey G. Furman, James R. Heydweiller, Harris Honickman, Raymond A. Rehberg, Paul H. Sorlie, and Edward T. Nelson "Design and performance of a 486 x 640 pixel platinum silicide IR imaging system", Proc. SPIE 1540, Infrared Technology XVII, (1 December 1991); https://doi.org/10.1117/12.48746

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