Measurement of Complex Permittivity and Permeability Using Two Flanged Rectangular Waveguides

In this paper, a non-destructive material parameter extraction technique which uses two flanged rectangular waveguides is presented. The technique improves on existing single probe methods, common in the literature, by its ability to easily measure reflection and transmission coefficients necessary...

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Bibliographic Details
Main Authors: Hyde, M.W., Havrilla, M.J.
Format: Conference Proceeding
Language:English
Subjects:
Absorbing materials
dielectric materials
Frequency measurement
integral equations
Magnetic field measurement
Magnetic materials
Magnetic shielding
Parameter extraction
permeability
Permeability measurement
permittivity
Permittivity measurement
Probes
rectangular waveguide
Rectangular waveguides
Reflection
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Summary:In this paper, a non-destructive material parameter extraction technique which uses two flanged rectangular waveguides is presented. The technique improves on existing single probe methods, common in the literature, by its ability to easily measure reflection and transmission coefficients necessary for extraction of ε r and μ r over all frequencies. Love's Equivalence Principle is used to create a system of coupled magnetic field integral equations (MFIEs) which are solved using the Method of Moments (MoM). Measurement results for two R-cards and one magnetic shielding material are shown.
ISSN:0149-645X
2576-7216
DOI:10.1109/MWSYM.2007.380543