Abstract
In this paper, the design and response control of arbitrarily conformal low-frequency magnetic metasurfaces are presented. Typically, low-frequency magnetic metasurfaces are designed for infinite, planar array configurations in which the same subwavelength pattern is repeated infinitely. The proposed procedure shows that it is possible to control the behavior of a finite conformal magnetic metasurface composed by an array of spirals arbitrarily located in the 3D space. In particular, we performed accurate full-wave simulations showing different current distributions. By loading the metasurface unit-cells with the same capacitor, as in the classical approach, no control over the current distribution can be obtained. Instead, by loading the unit-cells with an appropriate set of capacitors, a control over the amplitude and phase of the unit-cells can be obtained. These preliminary results can be important towards novel implementation of magnetic metasurfaces, especially for Wireless Power Transfer and Magnetic Resonance Imaging applications.
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