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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. 25, Iss. 7 — Jul. 1, 2008
  • pp: 1521–1534

Ray scattering model for spherical transparent particles

Lionel Simonot, Mathieu Hébert, Roger D. Hersch, and Hélène Garay  »View Author Affiliations


JOSA A, Vol. 25, Issue 7, pp. 1521-1534 (2008)
http://dx.doi.org/10.1364/JOSAA.25.001521


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Abstract

We propose a model for the reflectance of a particle medium made of identical, large, spherical, and absorbing particles in a clear binder. A 3D geometrical description of light scattering is developed by relying on the laws of geometrical optics. The amount of light backscattered by a single particle is determined as a function of its absorbance and refractive index. Then, we consider a set of coplanar particles, called a particle sublayer, whose reflectance and transmittance are functions of the particle backscattering ratio and the particle concentration. The reflectance of an infinite particle medium is derived from a description of multiple reflections and transmissions between many superposed particle sublayers. When the binder has a refractive index different from that of air, the medium’s reflectance factor accounts for the multiple reflections occurring beneath the air–binder interface as well as for the measuring geometry. The influences of various parameters, such as the refractive indices and the particle absorption coefficient, are examined.

© 2008 Optical Society of America

OCIS Codes
(080.0080) Geometric optics : Geometric optics
(080.2710) Geometric optics : Inhomogeneous optical media
(080.2720) Geometric optics : Mathematical methods (general)
(290.4210) Scattering : Multiple scattering
(290.5850) Scattering : Scattering, particles
(160.2710) Materials : Inhomogeneous optical media

ToC Category:
Geometric optics

History
Original Manuscript: October 29, 2007
Revised Manuscript: April 2, 2008
Manuscript Accepted: April 13, 2008
Published: June 4, 2008

Citation
Lionel Simonot, Mathieu Hébert, Roger D. Hersch, and Hélène Garay, "Ray scattering model for spherical transparent particles," J. Opt. Soc. Am. A 25, 1521-1534 (2008)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-25-7-1521

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