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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 24 — Aug. 20, 2002
  • pp: 5130–5141

Model for Optical Forward Scattering by Nonspherical Raindrops

Oliver N. Ross and Stuart G. Bradley  »View Author Affiliations


Applied Optics, Vol. 41, Issue 24, pp. 5130-5141 (2002)
http://dx.doi.org/10.1364/AO.41.005130


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Abstract

We describe a numerical model for the interaction of light with large raindrops using realistic nonspherical drop shapes. We apply geometrical optics and a Monte Carlo technique to perform ray traces through the drops. We solve the problem of diffraction independently by approximating the drops with area-equivalent ellipsoids. Scattering patterns are obtained for different polarizations of the incident light. They exhibit varying degrees of asymmetry and depolarization that can be linked to the distortion and thus the size of the drops. The model is extended to give a simplified long-path integration.

© 2002 Optical Society of America

OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(080.2720) Geometric optics : Mathematical methods (general)
(290.5850) Scattering : Scattering, particles

Citation
Oliver N. Ross and Stuart G. Bradley, "Model for Optical Forward Scattering by Nonspherical Raindrops," Appl. Opt. 41, 5130-5141 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-24-5130

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