16 March 2015 Upwelling radiance at 976 nm measured from space using the OPALS CCD camera on the ISS
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Abstract
The Optical Payload for Lasercomm Science (OPALS) Flight System on-board the International Space Station uses a charge coupled device (CCD) camera to detect a beacon laser from Earth. Relative measurements of the background contributed by upwelling radiance under diverse illumination conditions and varying surface terrain is presented. In some cases clouds in the field-of-view allowed a comparison of terrestrial and cloud-top upwelling radiance. In this paper we will report these measurements and examine the extent of agreement with atmospheric model predictions.
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Abhijit Biswas, Joseph M. Kovalik, Bogdan V. Oaida, Matthew Abrahamson, Malcolm W. Wright, "Upwelling radiance at 976 nm measured from space using the OPALS CCD camera on the ISS", Proc. SPIE 9354, Free-Space Laser Communication and Atmospheric Propagation XXVII, 93540A (16 March 2015); doi: 10.1117/12.2084965; https://doi.org/10.1117/12.2084965
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