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Chipless RF liquid sensor

Cole, Alex J., Ng, Calvin, Almalki, F. A., Young, Paul R. (2016) Chipless RF liquid sensor. In: MTT-S International Microwave and RF Conference (IMaRC), 2015 IEEE. . pp. 243-245. IEEE ISBN 978-1-5090-0156-9. E-ISBN 978-1-5090-0157-6. (doi:10.1109/IMaRC.2015.7411378) (KAR id:61068)

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http://dx.doi.org/10.1109/IMaRC.2015.7411378

Abstract

A method for the wireless evaluation of the dielectric permittivity of liquids is presented. The use of a thin-film, slotted waveguide sleeve around a standard unplasticised polyvinyl chloride pipe is proposed. Wireless interrogation of the slot with a plane wave excites a resonant mode whose frequency is dependent on the dielectric permittivity within the pipe. The proposed method allows for measurements to be taken in situ with no need for samples. The device has good potential for very low-cost monitoring applications, which may require real-time, continuous assessment

Item Type: Conference or workshop item (Proceeding)
DOI/Identification number: 10.1109/IMaRC.2015.7411378
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Depositing User: A.J. Cole
Date Deposited: 28 Mar 2017 14:14 UTC
Last Modified: 16 Feb 2021 13:44 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/61068 (The current URI for this page, for reference purposes)
Young, Paul R.: https://orcid.org/0000-0002-3707-2441
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