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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: Franco Gori
  • Vol. 30, Iss. 2 — Feb. 1, 2013
  • pp: 196–205

Oblique electromagnetic scattering from lossless or lossy composite elliptical dielectric cylinders

Grigorios P. Zouros  »View Author Affiliations


JOSA A, Vol. 30, Issue 2, pp. 196-205 (2013)
http://dx.doi.org/10.1364/JOSAA.30.000196


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Abstract

The oblique electromagnetic scattering by a dielectric elliptical cylinder which is coated eccentrically by a nonconfocal dielectric elliptical cylinder is examined in this work. The problem is solved using the separation of variables in terms of Mathieu functions, in combination with the addition theorem for Mathieu functions, a complicated procedure due to the following three factors: the nonexistence of the orthogonality relations for Mathieu functions due to the different constitutive parameters between the two cylinders and the background medium, the complex expressions due to the oblique incidence that leads to hybrid waves for both the scattered and induced fields, and the use of the addition theorem, which introduces a cross relation between even and odd terms. The method described here is exact, its solution is validated compared with other published results from the literature, and the high accuracy is revealed. Both polarizations are examined and numerical results are given for the scattering cross sections, including lossless and lossy materials.

© 2013 Optical Society of America

OCIS Codes
(290.1350) Scattering : Backscattering
(290.2558) Scattering : Forward scattering
(290.5855) Scattering : Scattering, polarization

ToC Category:
Scattering

History
Original Manuscript: November 14, 2012
Manuscript Accepted: December 15, 2012
Published: January 10, 2013

Citation
Grigorios P. Zouros, "Oblique electromagnetic scattering from lossless or lossy composite elliptical dielectric cylinders," J. Opt. Soc. Am. A 30, 196-205 (2013)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-30-2-196

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