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Improved split-ring resonator for microfluidic sensing

Improved split-ring resonator for microfluidic sensing
Improved split-ring resonator for microfluidic sensing
We present a method of making low-loss split-ring resonators (SRRs) for microfluidic sensing at microwave frequencies using silver-coated copper wire. We show that a simple geometric modification and the use of square cross-section wire give greater electric field confinement in the capacitive region of the resonant sensor. We use a combination of theoretical analysis, finite-element simulations, and empirical measurements to demonstrate the subsequent increases in the sensitivity of these SRRs for complex permittivity measurements of some common solvents.
0018-9480
689-699
Rowe, David J.
a0e0fe82-5e29-42b8-b370-5236a722f015
al-Malki, Sultan
7e09b46c-0fa5-4c07-ad3c-9d88cd858311
Abduljabar, Ali A.
432bf689-ab8d-4daa-9206-201f6394d78b
Porch, Adrian
e84c59a9-0e83-4785-9118-200f30b02851
Barrow, David A.
4975dfcd-6b27-4900-a4c9-c348bf24fea9
Allender, Christopher J.
5bd7fef3-7275-4c47-bbca-a7d7a364f679
Rowe, David J.
a0e0fe82-5e29-42b8-b370-5236a722f015
al-Malki, Sultan
7e09b46c-0fa5-4c07-ad3c-9d88cd858311
Abduljabar, Ali A.
432bf689-ab8d-4daa-9206-201f6394d78b
Porch, Adrian
e84c59a9-0e83-4785-9118-200f30b02851
Barrow, David A.
4975dfcd-6b27-4900-a4c9-c348bf24fea9
Allender, Christopher J.
5bd7fef3-7275-4c47-bbca-a7d7a364f679

Rowe, David J., al-Malki, Sultan, Abduljabar, Ali A., Porch, Adrian, Barrow, David A. and Allender, Christopher J. (2014) Improved split-ring resonator for microfluidic sensing. IEEE Transactions on Microwave Theory and Techniques, 62 (3), 689-699. (doi:10.1109/TMTT.2014.2299514).

Record type: Article

Abstract

We present a method of making low-loss split-ring resonators (SRRs) for microfluidic sensing at microwave frequencies using silver-coated copper wire. We show that a simple geometric modification and the use of square cross-section wire give greater electric field confinement in the capacitive region of the resonant sensor. We use a combination of theoretical analysis, finite-element simulations, and empirical measurements to demonstrate the subsequent increases in the sensitivity of these SRRs for complex permittivity measurements of some common solvents.

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More information

Published date: 2014
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 363065
URI: http://eprints.soton.ac.uk/id/eprint/363065
ISSN: 0018-9480
PURE UUID: 619b7309-3978-4e47-b143-fa919d0c0c4c
ORCID for David J. Rowe: ORCID iD orcid.org/0000-0002-1167-150X

Catalogue record

Date deposited: 20 Mar 2014 11:49
Last modified: 08 Jan 2022 03:18

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Contributors

Author: David J. Rowe ORCID iD
Author: Sultan al-Malki
Author: Ali A. Abduljabar
Author: Adrian Porch
Author: David A. Barrow
Author: Christopher J. Allender

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