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Appl Opt. 2004 Oct 20;43(30):5662-8.

Light scattering on oceanic turbulence.

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  • 1Rosenstiel School of Marine and Atmospheric Science, Division of Applied Marine Physics, University of Miami, 4600 Rickenbacker Causeway, Miami, Florida 33149-1098, USA.


Turbulent inhomogeneities of fluid flow have the effect of scattering light in near-forward angles, thus providing an opportunity to use optics to quantify turbulence. Here we report measurements of the volume-scattering function in the range of 10(-7) to 10(-3) rad using a wave-front sensing technique. The total scattering coefficient b, due to scattering on turbulent inhomogeneities, is between 1 and 10 m(-1) under typical oceanographic conditions. The numerical calculations of turbulent volume-scattering functions compare well with the laboratory measurement. These results suggest that optical measurements at small angles are affected by turbulence-related scattering, and their effects can be well modeled with numerical calculations.

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