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access icon openaccess Development of a new prototype system for measuring the permittivity of dielectric materials

This is an open access article published by the IET under the Creative Commons Attribution-NonCommercial-NoDerivs License (http://creativecommons.org/licenses/by-nc-nd/3.0/)
Received 09/05/2014, Accepted 12/05/2014, Published 30/05/2014

A simple prototype for measuring the properties of dielectric materials is introduced in this Letter. A homogeneous dielectric sample placed in a field produced by a nearby antenna will affect the input impedance of the antenna. The permittivity and the loss of the dielectric sample can then be determined from the change of the input impedance of the antenna. The prototype has been validated by experiments.

Inspec keywords: dielectric loss measurement; permittivity measurement; dielectric materials; antennas

Other keywords: dielectric material; permittivity measurement; antenna; dielectric loss; homogeneous dielectric sample

Subjects: Single antennas; Dielectric materials and properties; Dielectric variables measurement

References

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      • 3. Geyi, W.: ‘Foundations of applied electrodynamics’ (John Wiley & Sons, New York, NY, USA, 2010).
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      • 5. Harrington, R.F.: ‘Time-harmonic electromagnetic fields’ (McGraw-Hill Book Co., New York, NY, USA, 1961).
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http://iet.metastore.ingenta.com/content/journals/10.1049/joe.2014.0127
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