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Sum Rules for Parallel Plate Waveguides: Experimental Results and Theory

Författare

Summary, in English

An experimental approach to investigate the forward scattering sum rule for periodic structures is presented. This approach allows

an upper bound on the total cross section integrated over a bandwidth from a simple static problem to be found. Based on energy conservation, the optical

theorem is used to construct a relation between the total cross section and the forward scattering of periodic structures as well as single scatterers inside a parallel plate waveguide. Dynamic measurements are performed using a parallel plate waveguide and a parallel plate capacitor is utilized to find the static polarizability.

Convex optimization is introduced to identify the total cross section in the dynamic measurements and estimate an optimal lower bound on the polarizability for objects. The results show that the interactions between the electromagnetic field and an object over all wavelength are given by the static polarizability of the object.

Publiceringsår

2014

Språk

Engelska

Sidor

2574-2582

Publikation/Tidskrift/Serie

IEEE Transactions on Microwave Theory and Techniques

Volym

62

Issue

11

Dokumenttyp

Artikel i tidskrift

Förlag

IEEE - Institute of Electrical and Electronics Engineers Inc.

Ämne

  • Electrical Engineering, Electronic Engineering, Information Engineering

Status

Published

Forskningsgrupp

  • Electromagnetic theory

ISBN/ISSN/Övrigt

  • ISSN: 0018-9480