1 February 1981 Surface And Subsurface Optical Communications In The Marine Environment
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Abstract
Optical communication in the atmosphere, space, the marine boundary layer, and underwater is being investigated for a variety of applications. Three classes of optical communications systems will be addressed: OCULT (Optical Communications Using Laser Transceivers), ELOS (Extended Line-of-Sight) optical communications, and satellite-to-subsurface optical communica-tions. OCULT is a 10.6 bt, high rate reciprocal tracking heterodyne laser com-munications system designed for nearly all-weather duplex video bandwidth communications to horizon limited ranges. Of special interest are effects of coherent propagation through turbulent and turbid atmospheres. The ELOS system is a 1.06 µ optical aerosol scatter communications system for ranges of 30 to 300 miles. Scattering measurement at 40 to 80 miles through the marine boundary layer will be presented. The satellite-to-subsurface communication efforts deal with blue/green transmission from a satellite, through the atmo-sphere (including clouds) to a submerged receiver, exploiting the blue/green "window" in ocean water. The multiple forward scattered and diffusion trans-port of semiplane waves through clouds and ocean waters will be discussed.
G. C. Mooradian, "Surface And Subsurface Optical Communications In The Marine Environment," Optical Engineering 20(1), 200171 (1 February 1981). https://doi.org/10.1117/12.7972666 . Submission:
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