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Proceedings Paper

Relative infrared transmission measurements of EOPACE
Author(s): Brett D. Nener
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Paper Abstract

Transmission measurements were taken through the atmosphere over surf at Scripps Institute of Oceanography Pier, La Jolla, USA, during January and February 1996, as a part of a trial of the Electro-optic Propagation Assessment in Coastal Environments (EOPACE) campaign. Simultaneous measurements in the 3-5um and 8- l2um infra-red bands were taken using a Mercury-Cadmium-Telluride (MCT) and Indium Antimonide (InSb) sandwiched detector. The transmissometer was designed so that the image of the source at the receiver is many times the detector size. In this way, the effect of beam wander and detector non-uniformity are negligible. Measurements are relative in the sense that there was no attempt to calibrate transmission to a refened-standard source like a black-body or to use transmission codes. Meteorological and aerosol data were also collected over the path. It was found that the coastal environment does significantly influence the transmission of infrared radiation even over a path as short as a few hundred metres.

Paper Details

Date Published: 23 September 1997
PDF: 7 pages
Proc. SPIE 3125, Propagation and Imaging through the Atmosphere, (23 September 1997); doi: 10.1117/12.279032
Show Author Affiliations
Brett D. Nener, Univ. of Western Australia (Australia)

Published in SPIE Proceedings Vol. 3125:
Propagation and Imaging through the Atmosphere
Luc R. Bissonnette; Christopher Dainty, Editor(s)

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