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Bounds on metamaterials in scattering and antenna problems

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Author

Summary, in English

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.

Publishing year

2007

Language

English

Pages

1-4

Document type

Conference paper

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

European Conference on Antennas and Propagation (EuCAP) 2007

Conference date

2007-11-11 - 2007-11-16

Conference place

Edinburgh, United Kingdom

Status

Published

Research group

  • Electromagnetic theory