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Proceedings Paper

Exploration of multiple wavelength laser beams propagating underwater
Author(s): Michael Kelly; Svetlana Avramov-Zamurovic; Charles Nelson
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Paper Abstract

Laser beams propagating through complex media commonly experience degradation. This experiment investigates the effects of using laser beams with different wavelengths propagating along the same path as a method of mitigating distortion. We recorded intensity measurements of both a red and green laser after passing through a temperature and flow controlled underwater path and explored the effects of wavelength diversity on laser scintillation. Specifically, temperature variations were induced in a 243cm long water tank, containing 500 liters of deionized water using three heating sources. Experiments were performed with a triple pass through the tank for a total propagation length of 980cm. The final experimentation yielded repeatable and significant reductions in the scintillation of the multiple wavelength beam compared to its individual component beams.

Paper Details

Date Published: 25 May 2018
PDF: 10 pages
Proc. SPIE 10631, Ocean Sensing and Monitoring X, 1063118 (25 May 2018); doi: 10.1117/12.2314746
Show Author Affiliations
Michael Kelly, U.S. Naval Academy (United States)
Svetlana Avramov-Zamurovic, U.S. Naval Academy (United States)
Charles Nelson, U.S. Naval Academy (United States)


Published in SPIE Proceedings Vol. 10631:
Ocean Sensing and Monitoring X
Weilin "Will" Hou; Robert A. Arnone, Editor(s)

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