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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 23 — Dec. 1, 2007
  • pp: 3429–3431

Subpixel smoothing for conductive and dispersive media in the finite-difference time-domain method

Alexei Deinega and Ilya Valuev  »View Author Affiliations


Optics Letters, Vol. 32, Issue 23, pp. 3429-3431 (2007)
http://dx.doi.org/10.1364/OL.32.003429


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Abstract

Staircasing of media properties is one of the intrinsic problems of the finite-difference time-domain method, which reduces its accuracy. There are different approaches for solving this problem, and the most successful of them are based on correct approximation of inverse permittivity tensor ε ̂ 1 at the material interface. We report an application of this tensor method for conductive and dispersive media. For validation, comparisons with analytical solutions and various other subpixel smoothing methods are performed for the Mie scattering from a small sphere.

© 2007 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis

ToC Category:
Optical Devices

History
Original Manuscript: July 23, 2007
Manuscript Accepted: September 25, 2007
Published: November 27, 2007

Citation
Alexei Deinega and Ilya Valuev, "Subpixel smoothing for conductive and dispersive media in the finite-difference time-domain method," Opt. Lett. 32, 3429-3431 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-23-3429


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