NDLI: Extracting electrical material parameters of electrically large dielectric objects from reverberation chamber measurements of absorption cross section

Content Provider	IEEE Xplore Digital Library
Author	Hallbjorner, P. Carlberg, U. Madsen, K. Andersson, J.
Copyright Year	1964
Abstract	Reverberation chambers can be used to measure the absorption cross section of a dielectric object. The absorption cross section of a dielectric object depends on its size, shape, and electrical material parameters. By comparing with a theoretical model of the absorption cross section, material parameters can be extracted from measurements. A model based on a plane wave approach of incident fields is used here, valid for electrically large material samples in an isotropic environment such as that in a reverberation chamber. Which material parameter can be extracted depends on the properties of the material sample. The presented method combines the accuracy of cavity methods with the flexibility of being able to measure samples of arbitrary size and shape. Because both the reverberation chamber and the material sample are electrically large, the method is particularly useful at millimeter-wave frequencies.
Sponsorship	IEEE Electromagnetic Compatibility Society
Starting Page	291
Ending Page	303
Page Count	13
File Size	572317
File Format	PDF
ISSN	00189375
Volume Number	47
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-05-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Dielectric measurements Electromagnetic fields Dielectric loaded waveguides Cavity resonators reverberation chamber (RC) Cavity conductivity material characterization permittivity
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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