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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 4 — Feb. 25, 2013
  • pp: 4367–4375

Impacts of underwater turbulence on acoustical and optical signals and their linkage

Weilin Hou, Ewa Jarosz, Sarah Woods, Wesley Goode, and Alan Weidemann  »View Author Affiliations


Optics Express, Vol. 21, Issue 4, pp. 4367-4375 (2013)
http://dx.doi.org/10.1364/OE.21.004367


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Abstract

Acoustical and optical signal transmission underwater is of vital interest for both civilian and military applications. The range and signal to noise during the transmission, as a function of system and water optical properties, in terms of absorption and scattering, determines the effectiveness of deployed electro-optical (EO) technology. The impacts from turbulence have been demonstrated to affect system performance comparable to those from particles by recent studies. This paper examines the impacts from underwater turbulence on both acoustic scattering and EO imaging degradation, and establishes a framework that can be used to correlate these. It is hypothesized here that underwater turbulence would influence the acoustic scattering cross section and the optical turbulence intensity coefficient in a similar manner. Data from a recent field campaign, Skaneateles Optical Turbulence Exercise (SOTEX, July, 2010) is used to examine the above relationship. Results presented here show strong correlation between the acoustic scattering cross-sections and the intensity coefficient related to the modulation transfer function of an EO imaging system. This significant finding will pave ways to utilize long range acoustical returns to predict EO system performance.

© 2013 OSA

OCIS Codes
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(010.7060) Atmospheric and oceanic optics : Turbulence
(110.4850) Imaging systems : Optical transfer functions
(330.6130) Vision, color, and visual optics : Spatial resolution
(010.7295) Atmospheric and oceanic optics : Visibility and imaging

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: January 11, 2013
Manuscript Accepted: January 14, 2013
Published: February 12, 2013

Virtual Issues
Vol. 8, Iss. 3 Virtual Journal for Biomedical Optics

Citation
Weilin Hou, Ewa Jarosz, Sarah Woods, Wesley Goode, and Alan Weidemann, "Impacts of underwater turbulence on acoustical and optical signals and their linkage," Opt. Express 21, 4367-4375 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-4-4367


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