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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 7, Iss. 1 — Jan. 4, 2012

Numerical simulation of multiple scattering by random discrete particles illuminated by Gaussian beams

Zhiwei Cui, Yiping Han, and Qiang Xu  »View Author Affiliations


JOSA A, Vol. 28, Issue 11, pp. 2200-2208 (2011)
http://dx.doi.org/10.1364/JOSAA.28.002200


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Abstract

In this paper, we present an efficient numerical method for the simulation of multiple scattering by random discrete particles illuminated by focused Gaussian beams with arbitrary incidence. Specifically, the Davis first-order approximation in combination with rotation Euler angles is used to represent the arbitrarily incident Gaussian beams. The surface integral equations are applied to formulate the scattering problems involving multiple discrete particles with a random distribution and are numerically discretized by the method of moments. The resultant matrix equation is solved by employing the characteristic basis function method based on the use of macrobasis functions constructed according to the Foldy–Lax multiple scattering equations. Since this method only requires the solution of small-size matrix equations associated with isolated particles and it is also readily parallelized, the computational burden can be significantly relieved. Some numerical results are included to illustrate the validity of the present method and to show the scattering behaviors of random discrete particles when they are illuminated by focused Gaussian beams.

© 2011 Optical Society of America

OCIS Codes
(000.3860) General : Mathematical methods in physics
(140.0140) Lasers and laser optics : Lasers and laser optics
(290.4210) Scattering : Multiple scattering
(290.5850) Scattering : Scattering, particles

ToC Category:
Scattering

History
Original Manuscript: July 29, 2011
Revised Manuscript: September 6, 2011
Manuscript Accepted: September 6, 2011
Published: October 4, 2011

Virtual Issues
Vol. 7, Iss. 1 Virtual Journal for Biomedical Optics

Citation
Zhiwei Cui, Yiping Han, and Qiang Xu, "Numerical simulation of multiple scattering by random discrete particles illuminated by Gaussian beams," J. Opt. Soc. Am. A 28, 2200-2208 (2011)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josaa-28-11-2200

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