Measurement of the Electric Parameters of Materials Using the Resonator Based on a Belowcutoff Waveguide Section

Measurement of the Electric Parameters of Materials Using the Resonator Based on a Belowcutoff... DOI 10.1007/s11182-018-1390-x Russian Physics Journal, Vol. 61, No. 2, June, 2018 (Russian Original No. 2, February, 2018) MEASUREMENT OF THE ELECTRIC PARAMETERS OF MATERIALS USING THE RESONATOR BASED ON A BELOW- CUTOFF WAVEGUIDE SECTION A. S. Zav’yalov UDC 621.317.3 The feasibility of measuring the complex dielectric permittivity of sheet materials using the resonator based on a below-cutoff waveguide section is considered. Measuring equations are derived with allowance for the edge resonator capacitance and incomplete filling by the sample of the region of interaction with the electric field. The electric parameters of some sheet materials have been measured in the decimeter wavelength range. Keywords: dielectric permittivity, resonator, below-cutoff waveguide. To measure the dielectric permittivity of materials in a wide range of frequencies, coaxial resonators with a face end gap [1] are used. When the length of the coaxial section becomes commensurable with the size of its cross- section, the resonator becomes toroidal. The main disadvantage of coaxial and toroidal resonators is that they must be disassembled and assembled again after changing samples which leads to excessive time expenditures during measurements. It is easy to get rid of this disadvantage proceeding from coaxial sections to rectangular waveguide sections at below-cutoff frequencies. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Physics Journal Springer Journals

Measurement of the Electric Parameters of Materials Using the Resonator Based on a Belowcutoff Waveguide Section

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Publisher
Springer US
Copyright
Copyright © 2018 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Physics; Physics, general; Optics, Lasers, Photonics, Optical Devices; Condensed Matter Physics; Nuclear Physics, Heavy Ions, Hadrons; Theoretical, Mathematical and Computational Physics
ISSN
1064-8887
eISSN
1573-9228
D.O.I.
10.1007/s11182-018-1390-x
Publisher site
See Article on Publisher Site

Abstract

DOI 10.1007/s11182-018-1390-x Russian Physics Journal, Vol. 61, No. 2, June, 2018 (Russian Original No. 2, February, 2018) MEASUREMENT OF THE ELECTRIC PARAMETERS OF MATERIALS USING THE RESONATOR BASED ON A BELOW- CUTOFF WAVEGUIDE SECTION A. S. Zav’yalov UDC 621.317.3 The feasibility of measuring the complex dielectric permittivity of sheet materials using the resonator based on a below-cutoff waveguide section is considered. Measuring equations are derived with allowance for the edge resonator capacitance and incomplete filling by the sample of the region of interaction with the electric field. The electric parameters of some sheet materials have been measured in the decimeter wavelength range. Keywords: dielectric permittivity, resonator, below-cutoff waveguide. To measure the dielectric permittivity of materials in a wide range of frequencies, coaxial resonators with a face end gap [1] are used. When the length of the coaxial section becomes commensurable with the size of its cross- section, the resonator becomes toroidal. The main disadvantage of coaxial and toroidal resonators is that they must be disassembled and assembled again after changing samples which leads to excessive time expenditures during measurements. It is easy to get rid of this disadvantage proceeding from coaxial sections to rectangular waveguide sections at below-cutoff frequencies.

Journal

Russian Physics JournalSpringer Journals

Published: Jun 4, 2018

References

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