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Bounds on metamaterials in scattering and antenna problems

Publiceringsår: 2007
Språk: Engelska
Sidor: 1-4
Dokumenttyp: Konferensbidrag

Sammanfattning

This paper reports on physical limitations on metamaterials in scattering and antenna problems. A dispersion relation for the extinction cross section is derived from the holomorphic properties of the forward scattering dyadic. The result states that for a given volume, there is only a limited amount of scattering
and absorption available in the entire frequency range. The dispersion relation is verified numerically for the perfectly conducting circular disk, and theoretical bounds are illustrated for a plasmonic stratified sphere.

Disputation

Nyckelord

  • Physics and Astronomy

Övriga

European Conference on Antennas and Propagation
2007-11-11/2007-11-16
Edinburgh, United Kingdom
Published
Yes
  • Electromagnetic theory

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