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Proceedings Paper

Seasonal trends and nightly fluctuations of SWIR air-glow irradiance
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Paper Abstract

It is well known that luminance from photo-chemical reactions of hydroxyl ions in the upper atmosphere (~85 km altitude) produces a significant amount of night time radiation in the short wave infra-red (SWIR) band with wavelength between 0.9 and 1.7 μm. This air glow has been proposed as an illumination source for obtaining imagery in the dark of night. By examining short term nightly fluctuations and long term seasonal trends in the ground level irradiance we hope to determine the source reliability for night time low light surveillance and imaging.

Paper Details

Date Published: 11 October 2011
PDF: 8 pages
Proc. SPIE 8178, Optics in Atmospheric Propagation and Adaptive Systems XIV, 817802 (11 October 2011); doi: 10.1117/12.899507
Show Author Affiliations
David C. Dayton, Applied Technology Associates (United States)
Jeffrey Allen, Applied Technology Associates (United States)
Rudolph Nolasco, Applied Technology Associates (United States)
John D. Gonglewski, Air Force Research Lab. (United States)
Michael Myers, Air Force Research Lab. (United States)
Gregory Fertig, Air Force Research Lab. (United States)


Published in SPIE Proceedings Vol. 8178:
Optics in Atmospheric Propagation and Adaptive Systems XIV
Karin Stein; John D. Gonglewski, Editor(s)

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