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Analysis and Experiments of a TM010 Mode Cylindrical Cavity to Measure Accurate Complex Permittivity of Liquid
Hirokazu KAWABATA Hiroshi TANPO Yoshio KOBAYASHI
IEICE TRANSACTIONS on Electronics
Publication Date: 2004/05/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Advances in Characterization and Measurement Technologies for Microwave and Millimeter-Wave Materials, Devices and Circuits)
Category: General Methods, Materials, and Passive Circuits
complex permittivity, cylindrical cavity, liquid, Ritz-Galerkin method,
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A rigorous analysis for a TM010 mode cylindrical cavity with insertion holes is presented on the basis of the Ritz-Galerkin method to realize accurate measurements of the complex permittivity of liquid. The effects of sample insertion holes, a dielectric tube, and air-gaps between a dielectric tube and sample insertion holes are taken into account in this analysis. The validity of this method is verified from measured results of some kinds of liquid.