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Opto-Electronics Review

Editor-in-Chief: Jaroszewicz, Leszek

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Online
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1896-3757
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Volume 14, Issue 1

Issues

Third-generation sensors for night vision

P. Norton
Published Online: 2006-03-01 | DOI: https://doi.org/10.2478/s11772-006-0001-5

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.

Keywords: detectors; optical sensors; HgCdTe; microbolometers; uncooled detectors; two-colour detectors; threat warning; avalanche photodiodes; APDs

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  • [2] Among the early experiments to evaluate the possibility of imaging in the infrared, measurements were carried out at Syracuse University by Professors William R. Frederickson and Nathan Ginsburg, with Roy Paulson and Don Stierwalt as the research associates, and students John Stannard, E. Ellis, E. Hall, and M. MacDonald. The PbTe detector used for the measurements was fabricated by Professor Henry Levinstein. The contracts were sponsored by the Wright Patterson Air Force Base (AF 33(616)-5034), monitored by Neil Beardsley, and by the Air Force Cambridge Research Center (AF 19(604)-3908). The single-element PbTe detector was line-scanned at intervals throughout the day and night. Results showed that the scene retained contrast at all times. Google Scholar

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  • [20] P.W. Norton and M. Kohin, “Technology and application advancements of uncooled imagers”, Proc. SPIE 5783, 424–430 (2005). Google Scholar

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  • [24] BAE System data provided by Peter Norton, private communication. Google Scholar

  • [25] Figure of merit also adjusted for pixel size in this case — A2/252. Google Scholar

  • [26] S. Horn, D. Lohrman, P. Norton, K. McCormack, and A. Hutchinson, “Reaching for the sensitivity limits of uncooled and minimally cooled thermal and photon infrared detectors”, Proc. SPIE 5783, 401–411 (2005). Google Scholar

About the article

Published Online: 2006-03-01

Published in Print: 2006-03-01


Citation Information: Opto-Electronics Review, Volume 14, Issue 1, Pages 1–10, ISSN (Online) 1896-3757, DOI: https://doi.org/10.2478/s11772-006-0001-5.

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© 2006 SEP, Warsaw. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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