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Novel microwave microfluidic sensor using a microstrip split-ring resonator

Novel microwave microfluidic sensor using a microstrip split-ring resonator
Novel microwave microfluidic sensor using a microstrip split-ring resonator
In this paper, a new type of microwave microfluidic sensor is proposed to detect and determine the dielectric properties of common liquids. The technique is based on perturbation theory, in which the resonant frequency and quality factor of the microwave resonator depend on the dielectric properties of the resonator. A microstrip split-ring resonator with two gaps is adopted for the design of the sensors (i.e., a double split-ring resonator). This resonator is both compact and planar, making it suitable for a lab-on-a-chip approach. Several types of solvents are tested with two types of capillaries to verify sensor performance. At 3 GHz, very good agreement is demonstrated between simulated and measured results.
0018-9480
679-688
Abduljabar, Ali A.
432bf689-ab8d-4daa-9206-201f6394d78b
Rowe, David J.
a0e0fe82-5e29-42b8-b370-5236a722f015
Porch, Adrian
e84c59a9-0e83-4785-9118-200f30b02851
Barrow, David A.
4975dfcd-6b27-4900-a4c9-c348bf24fea9
Abduljabar, Ali A.
432bf689-ab8d-4daa-9206-201f6394d78b
Rowe, David J.
a0e0fe82-5e29-42b8-b370-5236a722f015
Porch, Adrian
e84c59a9-0e83-4785-9118-200f30b02851
Barrow, David A.
4975dfcd-6b27-4900-a4c9-c348bf24fea9

Abduljabar, Ali A., Rowe, David J., Porch, Adrian and Barrow, David A. (2014) Novel microwave microfluidic sensor using a microstrip split-ring resonator. IEEE Transactions on Microwave Theory and Techniques, 62 (3), 679-688. (doi:10.1109/TMTT.2014.2300066).

Record type: Article

Abstract

In this paper, a new type of microwave microfluidic sensor is proposed to detect and determine the dielectric properties of common liquids. The technique is based on perturbation theory, in which the resonant frequency and quality factor of the microwave resonator depend on the dielectric properties of the resonator. A microstrip split-ring resonator with two gaps is adopted for the design of the sensors (i.e., a double split-ring resonator). This resonator is both compact and planar, making it suitable for a lab-on-a-chip approach. Several types of solvents are tested with two types of capillaries to verify sensor performance. At 3 GHz, very good agreement is demonstrated between simulated and measured results.

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More information

Published date: 2014
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 363066
URI: http://eprints.soton.ac.uk/id/eprint/363066
ISSN: 0018-9480
PURE UUID: 2ed5e62b-535f-4a1d-a961-44f37c48541f
ORCID for David J. Rowe: ORCID iD orcid.org/0000-0002-1167-150X

Catalogue record

Date deposited: 20 Mar 2014 11:47
Last modified: 10 Jan 2022 03:00

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Contributors

Author: Ali A. Abduljabar
Author: David J. Rowe ORCID iD
Author: Adrian Porch
Author: David A. Barrow

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