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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Stephen A. Burns
  • Vol. 23, Iss. 11 — Nov. 1, 2006
  • pp: 2829–2833

Power spectrum and fractal dimension of laser backscattering from the ocean

James H. Churnside and James J. Wilson  »View Author Affiliations


JOSA A, Vol. 23, Issue 11, pp. 2829-2833 (2006)
http://dx.doi.org/10.1364/JOSAA.23.002829


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Abstract

We flew an airborne lidar perpendicular to the coastline along straight-line transects that varied in length between 230 and 280 km . The sample spacing was 3 m , so we sampled almost five decades of spatial scales. Except for the return from right at the surface, the power spectra of backscattered power had a power-law dependence on spatial frequency, with a slope of 1.49 . This corresponds to a fractal dimension of 1.76. This implies that the distribution is not as patchy as that of a purely turbulent process.

OCIS Codes
(010.3640) Atmospheric and oceanic optics : Lidar
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(280.7060) Remote sensing and sensors : Turbulence
(290.7050) Scattering : Turbid media

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: January 6, 2006
Manuscript Accepted: June 9, 2006

Virtual Issues
Vol. 1, Iss. 12 Virtual Journal for Biomedical Optics

Citation
James H. Churnside and James J. Wilson, "Power spectrum and fractal dimension of laser backscattering from the ocean," J. Opt. Soc. Am. A 23, 2829-2833 (2006)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-23-11-2829

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