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Sectorial substrate-integrated half-mode near-field sensors for biological liquid characterization

Published online by Cambridge University Press:  01 April 2014

Nora Meyne  and
Arne F. Jacob
Nora Meyne*
Affiliation:
Institut für Hochfrequenztechnik, Technische Universität Hamburg-Harburg, 21073 Hamburg, Germany. Phone: +49 (0)40-42878-2225
Arne F. Jacob
Affiliation:
Institut für Hochfrequenztechnik, Technische Universität Hamburg-Harburg, 21073 Hamburg, Germany. Phone: +49 (0)40-42878-2225
*
Corresponding author N. Meyne Email: [email protected]
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Abstract

Two compact resonant near-field sensors are introduced for the characterization of aqueous solutions at 5 GHz. They are based on folded substrate-integrate circular half-mode resonators with a planar sensing tip. Owing to the planar design, the sensor is simple and cheap to manufacture, and a sample can be easily coupled to the resonator from the top. The operating principle of the sensor is explained and verified by both simulation and measurement. The radiation of the sensors is quantified by means of a quality factor analysis. Finally, a previously introduced calibration method based on the perturbation theory is applied to the sensors and its accuracy is improved by choosing more suitable reference materials.

Keywords

Medical and biological effectsCharacterization of material parameters
Type
Research Paper
Information
International Journal of Microwave and Wireless Technologies , Volume 6 , Issue 3-4: European Microwave Week 2013 , June 2014 , pp. 305 - 312
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2014 

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