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Related Experiment Video

Updated: Jul 24, 2025

Fabrication of Nanopillar-Based Split Ring Resonators for Displacement Current Mediated Resonances in Terahertz Metamaterials

Fabrication of Nanopillar-Based Split Ring Resonators for Displacement Current Mediated Resonances in Terahertz Metamaterials

Published on: March 23, 2017

Microstrip Sensor Based on Ring Resonator Coupled with Double Square Split Ring Resonator for Solid Material

Khuzairi Masrakin^1,2, Siti Zuraidah Ibrahim^1,2, Hasliza A Rahim^1,2

¹Faculty of Electronic Engineering & Technology, Universiti Malaysia Perlis (UniMAP), Arau 02600, Malaysia.

|July 8, 2023

Summary

This summary is machine-generated.

This study introduces a novel microwave resonator sensor for material permittivity characterization. The sensor accurately measures dielectric properties of materials with permittivity from 1.0 to 5.0, offering improved sensitivity.

Keywords:

microstrip sensor permittivity split ring resonator

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Last Updated: Jul 24, 2025

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Published on: December 27, 2012

Area of Science:

Microwave Engineering
Sensor Technology
Materials Science

Background:

Traditional split-ring resonator (SRR) sensors face challenges with Q-factor and feed line coupling.
Accurate permittivity characterization is crucial for material analysis in various applications.

Purpose of the Study:

To design, fabricate, and test a novel microwave resonator sensor for material permittivity characterization.
To enhance sensor performance through direct microstrip feed line connection and edge coupling.
To validate the sensor's capability in identifying dielectric properties of different materials.

Main Methods:

A square split-ring resonator (S-SRR) coupled with double-split square ring resonators (D-SRRs) was designed and fabricated.
The sensor operates at 5.122 GHz, with D-SRRs acting as sensitive elements to permittivity changes.
Resonant frequency shifts were measured when materials under test (MUTs) were applied.

Main Results:

The sensor successfully identified dielectric properties of Taconic-TLY5, Rogers 4003C, and FR4.
A sensitivity of 3.27 was achieved, with mathematical models developed to minimize simulation-measurement discrepancies.
The sensor is effective for materials with permittivity ranging from 1.0 to 5.0.

Conclusions:

The proposed microwave resonator sensor provides an effective mechanism for characterizing dielectric properties of solid materials.
The sensor demonstrates acceptable performance through simulation and measurement, with potential for further refinement.
This technology offers a valuable tool for material analysis in microwave applications.