Experimental Study of Efficient Wireless Power Transfer System Integrating with Highly Sub-Wavelength Metamaterials

Provided by: EMW Publishing
Topic: Enterprise Software
Format: PDF
In this paper, an efficient Wireless Power Transfer (WPT) system integrating with highly sub-wavelength metamaterials is proposed. The Negative Refractive Index (NRI) and Mu NeGative permeability (MNG) metamaterials for operation at radio frequencies are designed and applied to WPT system for improvement of power transfer efficiency. A dual-layer design which consists of a planar spiral on one side and a meander line touching with narrow metallic strips on the other side produces the properties of effective negative permittivity and permeability simultaneously, i.e., negative refractive index.

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