Experiments on adjustable magnetic metamaterials applied in megahertz wireless power transmission | Zendy

Yingyi Zhang | Zendy; Houjun Tang | Zendy; Chen Yao | Zendy; LI Yun-cheng | Zendy; Siyu Xiao | Zendy

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Experiments on adjustable magnetic metamaterials applied in megahertz wireless power transmission

Author(s) -

Yingyi Zhang,

Houjun Tang,

Chen Yao,

LI Yun-cheng,

Siyu Xiao

Publication year - 2015

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4907043

Subject(s) - metamaterial , metamaterial antenna , inductive coupling , electromagnetic coil , split ring resonator , power transmission , materials science , acoustics , transmission (telecommunications) , coupling (piping) , wireless , physics , antenna (radio) , optoelectronics , power (physics) , computer science , electrical engineering , telecommunications , omnidirectional antenna , engineering , slot antenna , quantum mechanics , metallurgy

Over the past few years, various metamaterials have been designed and applied in antenna systems. In this paper, a new structure of magnetic metamaterials is proposed for megahertz wireless power transmission, which can be manually adjusted to work at a variable frequency ranging from 10∼30 Mhz. The S parameters, resonant frequency, effective permeability of metamaterials are computed for analysis. The different substrates and layouts of metamaterial slab are also numerically evaluated by full-wave simulation. The specific magnetic metamaterial slabs with 17.6 MHz are fabricated and experimentally verified by the network analyzer. Finally, these slabs are applied in a more practical two-coil coupling system to evaluate their performance enhancement

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