Third-generation sensors for night vision |
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Authors: | P. Norton |
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Affiliation: | (1) IR Vision, 2922 Paseo del Refugio, Santa Barbara, CA 93105, USA |
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Abstract: | Third generation sensors are under development to enhance capabilities for target detection and identification, threat warning, and 3D imaging. Distinct programs for both cooled HgCdTe and uncooled microbolometer devices are part of this thrust. This paper will describe the technology for HgCdle two-colour, high-definition imaging sensors and threat warning devices, avalanche photodiode arrays for 3D imaging, and the supporting technology being developed to enhance the readouts that support these devices. Uncooled detector initiatives will also be described to reduce pixel size in conjunction with the production of 480×640 arrays. Finally, efforts are also beginning to move both photon and thermal detectors closer to radiative-limited performance while simultaneously reducing the cooling requirements for photon detectors. The paper presented there appears in Infrared Photoelectronics, edited by Antoni Rogalski, Eustace L. Dereniak, Fiodor F. Sizov, Proc. SPIE Vol. 5957, 59571Z (2005). |
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Keywords: | detectors optical sensors HgCdTe microbolometers uncooled detectors two-colour detectors threat warning avalanche photodiodes APDs |
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