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Proceedings Paper

Ocean Surface Distortion Analysis And Experiment
Author(s): Lloyd C. Bobb; Gerald Ferguson; Michael Rankin; Patrick R. Manzo
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Paper Abstract

The general problem of a laser beam entering the ocean at near normal incidence (within 45°) is treated from the point of view of beam steering for small beams and beam spreading for large beams. The degrading effect of the surface on the irradiance is compared with the volume scattering effect and the initial beam size. It is shown that compensating for the surface would be of marginal benefit. The mean height of wind driven capillary waves for wind speeds in the range 2.2 m/sec to 7.6 m/sec is determined to be in the range 0.06 mm to 8.8 mm. The spectral content of these waves is mostly below 500 Hz with the maximum intensities occurring below 100 Hz. The higher frequency waves occur more at higher wind speeds.

Paper Details

Date Published: 10 November 1978
PDF: 6 pages
Proc. SPIE 0160, Ocean Optics V, (10 November 1978); doi: 10.1117/12.956860
Show Author Affiliations
Lloyd C. Bobb, Naval Air Development Center (United States)
Gerald Ferguson, Naval Air Development Center (United States)
Michael Rankin, Naval Air Development Center (United States)
Patrick R. Manzo, Science Applications, Inc. (United States)

Published in SPIE Proceedings Vol. 0160:
Ocean Optics V
Matthew B. White; Robert Stevenson, Editor(s)

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