Sufficient Conditions for Zero Backscattering by a Uniaxial Dielectric-Magnetic Scatterer Endowed with Magnetoelectric Gyrotropy

As vector wavefunctions are available to represent incident and scattered fields in an isotropic dielectric-magnetic medium endowed with magnetoelectric gyrotropy, a transition matrix can be conceptualized to relate the scattered field coefficients to the incident field coefficients for scattering by an arbitrary scatterer composed of a linear medium. The elements of the transition matrix must satisfy certain conditions for zero backscattering. For a scatterer composed of a uniaxial dielectric-magnetic medium endowed with magnetoelectric gyrotropy, the extended boundary condition method (EBCM) can be formulated to determine the transition matrix. The numerical results obtained thereby lead to the formulation of a sufficient set of three zero-backscattering conditions: (i) the scatterer is a body of revolution with the incident plane wave propagating along the axis of revolution; (ii) the impedances of both mediums are identical; and (iii) the magnetoelectric-gyrotropy vectors of both mediums are aligned along the axis of revolution, whether or not both magnetoelectric-gyrotropy vectors are co-parallel.

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Work Title Sufficient Conditions for Zero Backscattering by a Uniaxial Dielectric-Magnetic Scatterer Endowed with Magnetoelectric Gyrotropy
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Open Access
Creators
  1. Hamad M. Alkhoori
  2. Akhlesh Lakhtakia
  3. James K. Breakall
  4. Craig F. Bohren
License In Copyright (Rights Reserved)
Work Type Article
Publisher
  1. IEEE Transactions on Antennas and Propagation
Publication Date February 1, 2020
Publisher Identifier (DOI)
  1. https://doi.org/10.1109/TAP.2019.2940625
Deposited November 15, 2021

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  • Added Creator Hamad M. Alkhoori
  • Added Creator Akhlesh Lakhtakia
  • Added Creator James K. Breakall
  • Added Creator Craig F. Bohren
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