30th European Microwave Conference, 2000 2000
DOI: 10.1109/euma.2000.338848
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Broad-Band Dielectric Probe with a Coaxial Line - Circular Waveguide Junction

Abstract: A model of a broad-band dielectric probe for permittivity measurements of liquids and powdered materials at microwave frequencies is presented in the paper. The coaxial line -circular waveguide junction, built in the probe, is studied using full-wave analysis. A layer of material under test is placed in the circular waveguide of arbitrary radius The probe has been modeled in order to predict the relationship between reflection coefficient at the input and the complex permittivity of any dielectric sample. The … Show more

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Cited by 4 publications
(1 citation statement)
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“…In [75], an open ended coaxial probe has been discussed where the sample is backed by a sheet of conductor, which allows for the approximation of the sample to have infinite area. A coaxial technique with a discontinuous inner conductor has been taken up for research in [76], whereas [77] explores another coaxial sensor where a cylindrical cavity is attached to its aperture to store the sample under test. There has also been some research done with open-ended waveguide sensors [78][79].…”
Section: Reflectometric Methodsmentioning
confidence: 99%
“…In [75], an open ended coaxial probe has been discussed where the sample is backed by a sheet of conductor, which allows for the approximation of the sample to have infinite area. A coaxial technique with a discontinuous inner conductor has been taken up for research in [76], whereas [77] explores another coaxial sensor where a cylindrical cavity is attached to its aperture to store the sample under test. There has also been some research done with open-ended waveguide sensors [78][79].…”
Section: Reflectometric Methodsmentioning
confidence: 99%