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Pixel scaling in infrared focal plane arrays |
Applied Optics, Vol. 52, Issue 7, pp. C72-C77 (2013)
http://dx.doi.org/10.1364/AO.52.000C72
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Abstract
We discuss effects that arise in pixels of IR focal plane arrays (FPAs) when pixel size scales down to approach the wavelength of the incident radiation. To study these effects, we perform first-principles electromagnetic simulations of pixel structures based on a mercury–cadmium–telluride photoconductor for use in FPAs. Specifically, we calculate the pixel quantum efficiency and crosstalk as pixel size scales from 16 μm, which is in the range of current detectors, down to 0.75 μm, corresponding to subwavelength detectors. Our numerical results indicate the possibility of wavelength-size (
© 2013 Optical Society of America
OCIS Codes
(040.3060) Detectors : Infrared
(110.0110) Imaging systems : Imaging systems
(110.3080) Imaging systems : Infrared imaging
(050.6624) Diffraction and gratings : Subwavelength structures
History
Original Manuscript: January 2, 2013
Revised Manuscript: January 22, 2013
Manuscript Accepted: January 23, 2013
Published: February 18, 2013
Citation
Peter B. Catrysse and Torbjorn Skauli, "Pixel scaling in infrared focal plane arrays," Appl. Opt. 52, C72-C77 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-7-C72
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