A Novel Microwave Sensor With High-Q Resonator For High Sensitivity Material Characterization

Basri, Yosza and Ab Rashid, Siti Rosmaniza and Zakaria, Zahriladha and Shaaban, Azizah and Abd Rahim, Rosemizi and Husain, Mohd Nor (2019) A Novel Microwave Sensor With High-Q Resonator For High Sensitivity Material Characterization. [Technical Report] (Submitted)

Text A Novel Microwave Sensor With High-Q Resonator For High Sensitivity Material Characterization.pdf - Submitted Version Restricted to Registered users only Download (812kB)

Abstract

In this work, a bridge element approach based on the circular SRR configuration is proposed for accurate measurement in terms of complex permittivity and the loss tangent. It is observed that the proposed inter-connected bridge structure based on split ring resonator provides better sensitivity for dielectric measurement when compared with the standard microwave SRR sensors. The sensor operating at 1 to 6 GHz frequency range with 2.5pL sample volume at a time. The mathematical derivation is generated by loading sample with a standard reference of the materials in order to develop the empirical model for the determination of complex permittivity and the loss tangent. As demonstrated by the results, the unloaded Q-factor improves more than 400 over the narrow bandwidth at operating frequency of 2.3 GHz and provides less than 5 dB of the insertion loss. The measured data of each sample are in good agreement with the corresponding reference values available in the literature having a typical average detection error of less than 2.04%. By comparison, this design has an identical performance goal and provides excellent sensing capability which can be implemented in chemical and biosensor applications.

Item Type:	Technical Report
Uncontrolled Keywords:	Microwave devices, Dielectric resonators, Dielectric devices, Microwave Sensor, High-Q Resonator, High Sensitivity
Divisions:	Library > Technical Report > FKEKK
Depositing User:	F Haslinda Harun
Date Deposited:	03 Jan 2022 14:46
Last Modified:	03 Jan 2022 14:46
URI:	http://eprints.utem.edu.my/id/eprint/25458
Statistic Details:	View Download Statistic

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