Computer Science – Performance
Scientific paper
Jul 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991spie.1447..251r&link_type=abstract
Proc. SPIE Vol. 1447, p. 251-262, Charge-Coupled Devices and Solid State Optical Sensors II, Morley M. Blouke; Ed.
Computer Science
Performance
Scientific paper
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.
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