The CSIW Resonator Sensor for Microfluidic Characterization Using Defected Ground Structure

Authors

  • Amyrul Azuan Mohd Bahar Microwave Research Group, Centre for Telecommunication Research and Innovation (CeTRI), Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka (UTeM), 76100 Durian Tunggal, Melaka, Malaysia.
  • Zahriladha Zakaria Microwave Research Group, Centre for Telecommunication Research and Innovation (CeTRI), Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka (UTeM), 76100 Durian Tunggal, Melaka, Malaysia.
  • Azmi Awang Md Isa Microwave Research Group, Centre for Telecommunication Research and Innovation (CeTRI), Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka (UTeM), 76100 Durian Tunggal, Melaka, Malaysia.
  • Yosza Dasril Microwave Research Group, Centre for Telecommunication Research and Innovation (CeTRI), Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka (UTeM), 76100 Durian Tunggal, Melaka, Malaysia.
  • Rammah A. Alahnomi Microwave Research Group, Centre for Telecommunication Research and Innovation (CeTRI), Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka (UTeM), 76100 Durian Tunggal, Melaka, Malaysia.

Keywords:

Defected Ground Structure, Microfluidic, Material characterization, Permittivity, Substrate integrated waveguide,

Abstract

This paper presents a miniaturized circular substrate integrated waveguide (CSIW) resonator sensor with the integration of defected ground structure (DGS) to characterize the dielectric properties of the aqueous solvent. The sensor is developed based on the resonant perturbation method for high sensitivity and accurate measurement. The proposed structure is employed using a substrate integrated waveguide topology at 4.4 GHz with microliter ( ) volume of sample at a time. The integration of DGS structure significantly reduces the overall size of the sensor with more than 50% geometrical reduction. The changes in resonant frequency shows an identical performance based on the relative permittivity of the sample. Implications of the results and future research directions are also presented. Finally, a comparison between the proposed sensors are performed in order to identify the best sensing approach for an advancement of material characterization industry.

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Published

2018-07-04

How to Cite

Mohd Bahar, A. A., Zakaria, Z., Awang Md Isa, A., Dasril, Y., & Alahnomi, R. A. (2018). The CSIW Resonator Sensor for Microfluidic Characterization Using Defected Ground Structure. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), 10(2-6), 35–40. Retrieved from https://jtec.utem.edu.my/jtec/article/view/4366

Issue

Vol. 10 No. 2-6: Embracing The 4th Industrial Revolution: Innovation in Telecommunication, Electronic & Computer Engineering II

Section

Articles

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