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New physical limitations in scattering and antenna problems

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Author

Summary, in English

The extinction cross section integrated over all frequencies is shown to be related to the electric and magnetic polarizability dyadics by exploiting the analytic properties of the forward scattering dyadic. This identity can be used threefold: 1) in scattering theory to bound the total scattering properties of an arbitrary scatterer, 2) in antenna theory to derive new physical limitations on antennas, and 3) in material modeling. The theory is illustrated by numerical simulations with excellent agreement.

Publishing year

2007

Language

English

Pages

1-3

Document type

Conference paper

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

International Symposium on Electromagnetic Theory, 2007

Conference date

2007-07-26 - 2007-07-28

Conference place

Ottawa, Canada

Status

Published

Research group

  • Electromagnetic theory