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Physical limitations on broadband scattering by heterogeneous obstacles

Publiceringsår: 2007
Språk: Engelska
Sidor: 11165-11182
Publikation/Tidskrift/Serie: Journal of Physics A: Mathematical and Theoretical
Volym: 40
Nummer: 36
Dokumenttyp: Artikel

Sammanfattning

In this paper, new physical limitations on the extinction cross section and broadband scattering are investigated. A measure of broadband scattering in terms of the integrated extinction is derived for a large class of scatterers based on the holomorphic properties of the forward scattering dyadic. Closed-form expressions of the integrated extinction are given for the homogeneous ellipsoids, and theoretical bounds are discussed for arbitrary heterogeneous scatterers. Finally, the theoretical results are illustrated by numerical computations for a series of generic scatterers

Disputation

Nyckelord

  • Physics and Astronomy

Övrigt

Published
Yes
  • Electromagnetic theory
  • ISSN: 1751-8113

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