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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. 27, Iss. 7 — Jul. 1, 2010
  • pp: 1679–1687

Electromagnetic energy within a magnetic infinite cylinder and scattering properties for oblique incidence

Tiago José Arruda and Alexandre Souto Martinez  »View Author Affiliations


JOSA A, Vol. 27, Issue 7, pp. 1679-1687 (2010)
http://dx.doi.org/10.1364/JOSAA.27.001679


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Abstract

We analytically calculate the time-averaged electromagnetic energy stored inside a nondispersive magnetic isotropic cylinder that is obliquely irradiated by an electromagnetic plane wave. An expression for the optical-absorption efficiency in terms of the magnetic internal coefficients is also obtained. In the low absorption limit, we derive a relation between the normalized internal energy and the optical-absorption efficiency that is not affected by the magnetism and the incidence angle. This relation, indeed, seems to be independent of the shape of the scatterer. This universal aspect of the internal energy is connected to the transport velocity and consequently to the diffusion coefficient in the multiple scattering regime. Magnetism favors high internal energy for low size parameter cylinders, which leads to a low diffusion coefficient for electromagnetic propagation in 2D random media.

© 2010 Optical Society of America

OCIS Codes
(290.0290) Scattering : Scattering
(290.4020) Scattering : Mie theory
(290.4210) Scattering : Multiple scattering
(290.5850) Scattering : Scattering, particles
(290.5825) Scattering : Scattering theory

ToC Category:
Scattering

History
Original Manuscript: April 12, 2010
Revised Manuscript: May 22, 2010
Manuscript Accepted: May 27, 2010
Published: June 22, 2010

Citation
Tiago José Arruda and Alexandre Souto Martinez, "Electromagnetic energy within a magnetic infinite cylinder and scattering properties for oblique incidence," J. Opt. Soc. Am. A 27, 1679-1687 (2010)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-27-7-1679

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