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14 May 2007 Recent advances in negative luminescent technologies
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Abstract
Negative luminescent (NL) devices, which to an IR observer can appear colder than they actually are, have a wide range of possible applications, including use as modulated IR sources in gas sensing systems and as thermal radiation shields in IR cameras. A further important use would be a calibration source for IR focal plane arrays where there are many potential advantages over conventional sources, including high speed operation (for multi-point correction) and lower power consumption. Such applications present considerable technological challenges as they require large area uniform devices (>1cm2) with a large apparent temperature range. In this paper we report on recent progress in fabricating large area (1.5cm × 1.5cm) negative luminescence devices from Hg1-xCdxTe grown on silicon substrates using a segmented device architecture.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Stuart J. Smith, Mary K. Haigh, Neil T. Gordon, James W. Edwards, David J. Hall, Alan J. Hydes, Andrew Graham, Jean Giess, Janet E. Hails, Geoffrey R. Nash, and Tim Ashley "Recent advances in negative luminescent technologies", Proc. SPIE 6542, Infrared Technology and Applications XXXIII, 65420Z (14 May 2007); https://doi.org/10.1117/12.723652
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