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Updated: Jul 15, 2025
13:44
Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
Published on: December 27, 2012
15.4K
H-shaped modifiers loaded mirror symmetric resonator based double negative metamaterial for multi-band wireless
Abdullah Al Mahfazur Rahman1, Mohammad Tariqul Islam2, Md Moniruzzaman3
1Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, Bangi, Selangor, Malaysia.
Scientific Reports
|September 24, 2023
Summary
This study introduces a compact metamaterial (MTM) structure with four resonances across S, X, and Ku bands. The novel MTM design demonstrates negative electromagnetic properties and high effectiveness for miniaturized multi-band wireless devices.
Area of Science:
- Electromagnetics
- Materials Science
- Electrical Engineering
Background:
- Metamaterials (MTMs) offer unique electromagnetic properties not found in natural materials.
- Developing compact MTMs for multi-band applications is crucial for modern wireless communication systems.
Purpose of the Study:
- To design and characterize a novel metamaterial (MTM) structure exhibiting multi-band resonances.
- To investigate the MTM's electromagnetic properties, including negative permittivity, permeability, and refractive index.
- To validate the MTM's performance for potential use in miniaturized wireless devices.
Main Methods:
- A unique MTM structure was designed on a Rogers (RT5880) substrate.
- Resonance phenomena were analyzed using equivalent circuit modeling and Advanced Design Software (ADS).
- Metamaterial properties and effective medium ratio (EMR) were extracted and experimentally verified.
Main Results:
- The proposed MTM exhibits four distinct resonances at 3.424 GHz, 10 GHz, 14.816 GHz, and 16.848 GHz.
- The MTM demonstrates negative permittivity, permeability, and refractive index.
- A high effective medium ratio (EMR) of 10.95 confirms the MTM's compactness, with measured results closely matching simulations.
Conclusions:
- The developed compact MTM structure successfully achieves multi-band operation with desirable electromagnetic properties.
- The MTM's negative electromagnetic parameters and high EMR make it suitable for enhancing performance in miniaturized multi-band wireless communication systems.
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