Magnetic and electric coupling effects of dielectric metamaterial

Details Magnetic and electric coupling effects of dielectric metamaterial Magnetic and electric coupling effects of dielectric metamaterial

Mar 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012njph...14c3031z&link_type=abstract

New Journal of Physics, Volume 14, Issue 3, pp. 033031 (2012).

Physics

Scientific paper

The coupling effects of subwavelength high-permittivity (εr > 100) arrayed ceramics which exhibit magnetic and electric Mie resonances are investigated by electromagnetic full-wave analysis. Special attention was paid to the symmetry properties of both magnetic- and electric-induced dipoles by varying independently the array periodicity. In agreement with the interactions between electric and magnetic dipoles, it is shown that resonance frequency shifts toward lower (higher) frequencies can be obtained, which depends on the longitudinal (transverse) dipole coupling strengths. Moreover, the emergence of quasi-bound states between tightly coupled basic cells is pointed out for the electric Mie resonances, which shows an unexpected frequency shift with a reverse variation.

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