Full-wave analysis of a split-cylinder resonator for nondestructive permittivity measurements

Author

Janezic, Michael D. ; Baker-Jarvis, James

Author_Institution

Nat. Inst. of Stand. & Technol., Boulder, CO, USA

Volume

47

Issue

10

fYear

1999

fDate

10/1/1999 12:00:00 AM

Firstpage

2014

Lastpage

2020

Abstract

This paper presents a full-wave analysis of the split-cylinder resonator. We outline a model where the fringing fields are rigorously accounted for and the resonance condition is derived. Using this model, a method for nondestructively measuring the complex permittivity of materials is examined. Measurements of the complex permittivity for low-loss dielectric materials using the split-cylinder resonator agree well with measurements made in a cylindrical cavity. An uncertainty analysis for the complex permittivity is also provided

Keywords

cavity resonators; microwave measurement; nondestructive testing; permittivity measurement; complex permittivity; cylindrical cavity; fringing fields; full-wave analysis; low-loss dielectric materials; nondestructive permittivity measurements; resonance condition; split-cylinder resonator; uncertainty analysis; Dielectric loss measurement; Dielectric losses; Dielectric materials; Dielectric measurements; Geometry; Magnetic field measurement; Permittivity measurement; Resonance; Resonant frequency; Waveguide discontinuities;

fLanguage

English

Journal_Title

Microwave Theory and Techniques, IEEE Transactions on

Publisher

ieee

ISSN

0018-9480

Type

jour

DOI

10.1109/22.795077

Filename

795077