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A Zirconia Cylindrical TM010 Cavity for Permittivity Measurements at 1 GHz
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.ORCID iD: 0000-0002-2457-3079
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.ORCID iD: 0000-0002-2118-9354
2018 (English)In: 2018 IEEE CAMA Conference on Antenna Measurement and Applications CAMA 2018, 2018Conference paper, Published paper (Refereed)
Abstract [en]

The most accurate dielectric measurements are made by resonant cavity methods, the circular TM010 type being the simplest and most common. However, an airfilled such cavity at 1 GHz needs to be 250 mm in diameter. There is another problem as well: its limited applicability with very lossy samples, due to a too low Q value. This paper describes the development and properties of a metalized zirconia ceramic cavity for use at about 1 GHz. With its permittivity ε′ = 30 its diameter becomes 40 mm instead of 150 mm for the airfilled version. Additionally and importantly, the dynamic range of the loss factor ε″ is greatly expanded. The calibration procedure using numerical retromodelling is described and a measurement example of a ternary alcohol mixture is carried out. The accuracy is also estimated.

Place, publisher, year, edition, pages
2018.
National Category
Engineering and Technology Computer Systems
Identifiers
URN: urn:nbn:se:mdh:diva-41728DOI: 10.1109/CAMA.2018.8530482Scopus ID: 2-s2.0-85058314267ISBN: 978-1-5386-5795-9 (electronic)OAI: oai:DiVA.org:mdh-41728DiVA, id: diva2:1272250
Conference
2018 IEEE CAMA Conference on Antenna Measurement and Applications CAMA 2018, 02 Sep 2018, Västerås, Sweden
Projects
ESS-H - Embedded Sensor Systems for Health Research ProfileAvailable from: 2018-12-18 Created: 2018-12-18 Last updated: 2018-12-20Bibliographically approved

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Petrovic, NikolaRisman, Per Olov

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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  • Other style
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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