Microstrip patch sensor for measurement of the permittivity of homogeneous dielectric materials

Author

Bogosanovich, Mirjana

Author_Institution

Ind. Res. Ltd., Auckland, New Zealand

Volume

49

Issue

5

fYear

2000

fDate

10/1/2000 12:00:00 AM

Firstpage

1144

Lastpage

1148

Abstract

An application of a small air-spaced coaxially fed rectangular microstrip patch antenna as a sensor for permittivity measurement is presented. The models used for the calculation of the permittivity from the shift in the resonant frequency for solid and liquid materials are described. The models are experimentally verified by measurements for several liquid and solid samples. The results are compared with those obtained using standard techniques, namely, coaxial probe and waveguide cell measurements. An error correction technique for the elimination of the systematic error of the measurement is also included

Keywords

electric sensing devices; measurement errors; microstrip antennas; microwave measurement; permittivity measurement; air; butan-1-ol; coaxial probe; cyclohexane; error correction; homogeneous dielectric materials; liquid materials; microstrip patch sensor; microwave measurement; organic compounds; permittivity; permittivity measurement; pertan-1-ol; rectangular microstrip patch antenna; resonant frequency; solid and liquid materials; systematic error; waveguide cell measurement; Antenna measurements; Coaxial components; Error correction; Measurement standards; Microstrip antennas; Patch antennas; Permittivity measurement; Probes; Resonant frequency; Solid modeling;

fLanguage

English

Journal_Title

Instrumentation and Measurement, IEEE Transactions on

Publisher

ieee

ISSN

0018-9456

Type

jour

DOI

10.1109/19.872944

Filename

872944