Abstract
A metamaterial-inspired resonator for free-positioning wireless charging of several devices is proposed and numerically studied. The resonator is based on orthogonal metallic wires arrays deposited on a high permittivity low loss dielectric substrate. Given a fixed area of 50 × 50 cm, its resonant frequency can be tuned in a wide frequency band from 5 MHz to 45 MHz. A parametric study is performed to reveal the influence of resonant frequency, dielectric permittivity and number of wires on Q-factor.
Highlights
Magnetic resonance wireless power transfer (WPT) technology has been intensively investigated [1, 2]
The resonator is based on orthogonal metallic wires arrays deposited on a high permittivity low loss dielectric substrate
We revealed the quasi-uniform magnetic field generated at the first resonant mode of the structure
Summary
Magnetic resonance wireless power transfer (WPT) technology has been intensively investigated [1, 2]. A metamaterial-inspired resonator for free-positioning wireless charging of several devices is proposed and numerically studied. The resonator is based on orthogonal metallic wires arrays deposited on a high permittivity low loss dielectric substrate.
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