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Open AccessJournal ArticleDOI

Dual square split ring enclosed spiral shaped hybrid metamaterial resonator with size miniaturisation for microwave wireless applications

TLDR
In this paper , a metamaterial unit cell is analyzed by modifying the geometric design of the metallic structure which mitigates the design to reduce the cost for the commercialization.
Abstract
Abstract In this research work, the development of the metamaterial unit cell is used to investigate multifunctional characteristics, exhibit preferable and capable adjustability, reconfigurable by changing the phase response of applied electromagnetic wave. This proposed metamaterial unit cell is analysed by modifying the geometric design of the metallic structure which mitigates the design to reduce the cost for the commercialisation. The resonant frequencies are located from 1.87, 2.55, 4.32, 5.46 GHz. The interaction with the electric field and magnetic field exhibit the polarisation in both planes which enhances the left handed characteristics. The field distribution of electric, magnetic, and surface current is presented with vector fields in different planes to observe the polarisation state. Different thicknesses of dielectric material are utilised to observe the impact of time varying electric and magnetic fields through the proposed metamaterial. The different substrate materials are described the degree of freedom for the implementation in different fields within the functional microwave frequency range.

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Citations
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Journal ArticleDOI

Dual-Square-Split-Ring-Enclosed Microstrip-Based Sensor for Noninvasive Label-Free Detection

TL;DR: In this paper , a metamaterial-incorporated microwave-based sensor with a single port network for material characterization is presented, which consists of a microstrip patch layer enclosed with a dual-square-shaped metammaterial split-ring.
Proceedings ArticleDOI

Triangular-shaped Metamaterial-based EM Absorber for Visible and Infrared Regime

TL;DR: A hexagonal-triangular-shaped metamaterial absorber with a hexagonal slot is presented in this article for the visible and infrared regions, which is based on double layer Si and SiO2 substrate and Tungsten layer metallic design.
References
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Journal ArticleDOI

Experimental Verification of a Negative Index of Refraction

TL;DR: These experiments directly confirm the predictions of Maxwell's equations that n is given by the negative square root ofɛ·μ for the frequencies where both the permittivity and the permeability are negative.
Journal ArticleDOI

Magnetism from conductors and enhanced nonlinear phenomena

TL;DR: In this paper, it was shown that microstructures built from nonmagnetic conducting sheets exhibit an effective magnetic permeability /spl mu/sub eff/, which can be tuned to values not accessible in naturally occurring materials.
Journal ArticleDOI

Composite Medium with Simultaneously Negative Permeability and Permittivity

TL;DR: A composite medium, based on a periodic array of interspaced conducting nonmagnetic split ring resonators and continuous wires, that exhibits a frequency region in the microwave regime with simultaneously negative values of effective permeability and permittivity varepsilon(eff)(omega).
Journal ArticleDOI

Robust method to retrieve the constitutive effective parameters of metamaterials.

TL;DR: In this article, an improved method to retrieve the effective constitutive parameters (permittivity and permeability) of a slab of metamaterial from the measurement of S parameters is proposed.
Journal ArticleDOI

Metamaterial Electromagnetic Wave Absorbers

TL;DR: The ability of the MPA to exhibit extreme performance flexibility will be discussed and the theory underlying their operation and limitations will be established and Insight is given into what the authors can expect from this rapidly expanding field and future challenges will be addressed.
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