Abstract
The behavior of strongly coupled Radial Photonic Crystals shells is
investigated as a potential alternative to transfer electromagnetic
energy wirelessly. These sub-wavelength resonant microstructures,
which are based on anisotropic metamaterials, can produce
efficient coupling phenomena due to their high quality factor. A
configuration of selected constitutive parameters (permittivity and
permeability) is analyzed in terms of its resonant characteristics.
The coupling to loss ratio between two coupled resonators is calculated
as a function of distance, the maximum (in excess of 300) is
obtained when the shells are separated by three times their radius.
Under practical conditions an 83% of maximum power transfer has
been also estimated.
