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

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

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991spie.1540..303c&link_type=abstract

Proc. SPIE Vol. 1540, p. 303-311, Infrared Technology XVII, Bjorn F. Andresen; Marija S. Scholl; Irving J. Spiro; Eds.

Computer Science

Performance

Scientific paper

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 10(superscript 4) smaller than the central spot.

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