Embroidered Rectangular Split-Ring Resonators for the Characterization of Dielectric Materials

Zahertar, Shahrzad, Laurin, Emma, Dodd, Linzi and Torun, Hamdi (2020) Embroidered Rectangular Split-Ring Resonators for the Characterization of Dielectric Materials. IEEE Sensors Journal, 20 (5). pp. 2434-2439. ISSN 1530-437X

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Official URL: https://doi.org/10.1109/jsen.2019.2953251

Abstract

In this paper, we report an embroidered rectangular split-ring resonator (SRR) operating at S band for material characterization based on the differences in dielectric parameters. We designed, fabricated and characterized SRR sensors on a conventional fabric that can be conformally attached over the surface of samples under investigation. The structures are made of conductive threads and can be embroidered on any dielectric fabric at low cost using conventional embroidery methods. We have demonstrated material characterization capability of the sensors using a specific design with a length of 60 mm and a width of 30 mm. We wrapped the sensors on low-density polyethylene (LDPE) bottles filled with deionized (DI) water and common solvents (ethanol, methanol, isopropanol and acetone) in our experiments. We measured the nominal resonant frequency of a specific sensor wrapped around an empty bottle as 2.07 GHz. The shifts in resonant frequencies when the bottle was filled with the solvents follow the dielectric constants of the solvents.

Item Type: Article
Uncontrolled Keywords: Split-ring resonator, metamaterials, embroidered sensors, microwave sensors
Subjects: F300 Physics
H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Elena Carlaw
Date Deposited: 11 Nov 2019 13:55
Last Modified: 12 Mar 2020 11:45
URI: http://nrl.northumbria.ac.uk/id/eprint/41408

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