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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

  • Vol. 9, Iss. 6 — Jun. 1, 1992
  • pp: 978–982

Enhanced backscattering of polarized light from discrete random media: calculations in exactly the backscattering direction

M. I. Mishchenko  »View Author Affiliations


JOSA A, Vol. 9, Issue 6, pp. 978-982 (1992)
http://dx.doi.org/10.1364/JOSAA.9.000978


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Abstract

Enhanced backscattering of polarized light by disordered media composed of independently scattering particles of arbitrary size and shape is studied theoretically. Rigorous relations between the cyclical and the ladder parts of the backscattering matrix in exactly the backscattering direction are derived for three commonly used representations of polarization, and the corresponding polarization backscattering enhancement factors are introduced. The ladder part of the Stokes-backscattering matrix is calculated by solving Chandrasekhar’s vector radiative transfer equation [ Radiative Transfer ( Clarendon, London, 1950)]. The general properties of the enhancement factors are studied, and the results of numerical computations are reported for finite and semi-infinite homogeneous slabs composed of spherical and randomly oriented nonspherical particles. It is shown that the enhancement factors depend strongly on the direction of light incidence, the optical thickness of the medium, the true absorption, and the particle size and shape.

© 1992 Optical Society of America

History
Original Manuscript: July 23, 1991
Manuscript Accepted: December 2, 1991
Published: June 1, 1992

Citation
M. I. Mishchenko, "Enhanced backscattering of polarized light from discrete random media: calculations in exactly the backscattering direction," J. Opt. Soc. Am. A 9, 978-982 (1992)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-9-6-978

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