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Multi-resonators, microwave microfluidic sensor for liquid characterization

Abduljabar, Ali A., Hamzah, Hayder and Porch, Adrian 2020. Multi-resonators, microwave microfluidic sensor for liquid characterization. Microwave and Optical Technology Letters 63 (4) , pp. 1042-1047. 10.1002/mop.32675

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Abstract

In this paper, a new type of microwave microfluidic sensor is presented, using three separate half wave microstrip resonators with a common junction. The sensor comprises three parallel resonators with resonant frequencies of 2.5, 3.5, and 4.5 GHz. This sensor exhibits all the usual advantages of microwave resonant methods for dielectric liquid characterization, such as high precision, accuracy, and sensitivity, but here also over a wideband of frequencies. The resonators have common input and output ports. The sensor was tested using several types of liquids, including water, methanol, ethanol, and chloroform, and experimental results are in excellent agreement with the simulation results.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Publisher: Wiley
ISSN: 0895-2477
Date of Acceptance: 13 September 2020
Last Modified: 15 Apr 2021 11:21
URI: http://orca.cardiff.ac.uk/id/eprint/135377

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