Vector spherical wavefunctions for orthorhombic dielectric-magnetic material with gyrotropic-like magnetoelectric properties

Akhlesh Lakhtakia, Tom Mackay

Research output: Contribution to journalArticlepeer-review

Abstract

Vector spherical wavefunctions were derived in closed-form to represent time-harmonic electromagnetic fields in an orthorhombic dielectric-magnetic material with gyrotropic-like magnetoelectric properties. These wavefunctions
were used to formulate the T matrix for scattering by a three-dimensional object composed of the chosen material. Furthermore, a closed-form, coordinate-free expression of the dyadic Green function for the chosen material was derived. Expressions ascertained for the singularity behavior will be useful for formulating volume integral equations for scattering inside the chosen
material. A bilinear expansion of the dyadic Green function was obtained in terms of the derived vector spherical wavefunctions.
Original languageEnglish
Pages (from-to)201-213
JournalJournal of Optics
Volume41
Issue number4
Early online date8 Sep 2012
DOIs
Publication statusPublished - 2012

Keywords

  • Dyadic Green function
  • T matrix
  • Singularity
  • Depolarization dyadic
  • Bilinear expansion

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