Mu-negative metamaterials seen as band-limited non-Foster impedances for magnetic coupled systems

ALMEIDA, JORGE V. de; SIQUEIRA, GLAUCIO L.; MOSSO, MARBEY M.; SARTORI, CARLOS A.F.

Mu-negative metamaterials seen as band-limited non-Foster impedances for magnetic coupled systems

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Published date:

2017

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CARLOS ANTONIO FRANCA SARTORI

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INTERNATIONAL CONFERENCE ON METAMATERIALS, PHOTONIC CRYSTALS AND PLASMONICS, 8th

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Abstract

In the last decade, various works have demonstrated that a class of artificial material called metamaterials (MTM) can synthesize μ-negative (MNG) media capable of evanescentwave focusing which largely enhances the magnetic coupling between coils, which is the basic mechanism of Inductive Power Transmission (IPT) systems. In the present work, MTM-enhanced coupling in IPT systems is examined through analytical and numerical results, which are validated by experimental data. Adopting a transmissionline based approach to describe the general MTM-enhanced IPT system, it is evidenced that MNG MTMs can be interpreted as a negative impedance from a circuital point of view.

Citation

ALMEIDA, JORGE V. de; SIQUEIRA, GLAUCIO L.; MOSSO, MARBEY M.; SARTORI, CARLOS A.F. Mu-negative metamaterials seen as band-limited non-Foster impedances for magnetic coupled systems. In: ZOUHDI, SAID (ed.); RHO, JUNSUK (ed.); LEE, HAKJOO (ed.). In: INTERNATIONAL CONFERENCE ON METAMATERIALS, PHOTONIC CRYSTALS AND PLASMONICS, 8th, July 25-28, 2017, Incheon, Korea. Proceedings... p. 1-5. Disponível em: http://repositorio.ipen.br/handle/123456789/29141. Acesso em: 17 Mar 2025.

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