Seasonal trends and nightly fluctuations of SWIR air-glow irradiance

David C. Dayton; Jeffrey Allen; Rudolph Nolasco; John D. Gonglewski; Michael Myers; Gregory Fertig

doi:10.1117/12.899507

10 October 2011 Seasonal trends and nightly fluctuations of SWIR air-glow irradiance

David C. Dayton, Jeffrey Allen, Rudolph Nolasco, John D. Gonglewski, Michael Myers, Gregory Fertig

Proceedings Volume 8178, Optics in Atmospheric Propagation and Adaptive Systems XIV; 817802 (2011) https://doi.org/10.1117/12.899507
Event: SPIE Remote Sensing, 2011, Prague, Czech Republic

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.

Citation Download Citation

David C. Dayton, Jeffrey Allen, Rudolph Nolasco, John D. Gonglewski, Michael Myers, and Gregory Fertig "Seasonal trends and nightly fluctuations of SWIR air-glow irradiance", Proc. SPIE 8178, Optics in Atmospheric Propagation and Adaptive Systems XIV, 817802 (10 October 2011); https://doi.org/10.1117/12.899507

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