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Proceedings Paper

Recent Progress In Laser Sources For Underwater Applications
Author(s): E. J. Schimitschek
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Paper Abstract

Apart from the region covered by extremely low frequencies (λ≥3 x 103 km), ocean water is in general very absorptive for electromagnetic radiation, the only exception being the blue-green part of the visible spectrum. Even within this so-called window region, however, losses are high and can range from 0.1 dB/m to 1 dB/m, depending on the water clarity. For purposes of optical underwater communication, ranging, and illumination, powerful blue-green laser sources are therefore required with high efficiency and reliability. This paper discusses some recent progress in the area of blue-green laser technology.

Paper Details

Date Published: 10 November 1978
PDF: 5 pages
Proc. SPIE 0160, Ocean Optics V, (10 November 1978); doi: 10.1117/12.956850
Show Author Affiliations
E. J. Schimitschek, Naval Ocean Systems Center (United States)

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

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