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Nonlocal homogenization of an array of cubic particles made of resonant rings

Silveirinha, M. G. ; Baena, ; Jelinek, ; Marqués, R.M.

Metamaterials Vol. 3, Nº -, pp. 115 - 128, November, 2009.

ISSN (print): 1873-1988
ISSN (online):

Scimago Journal Ranking: 2,24 (in 2009)

Digital Object Identifier: 10.1016/j.metmat.2009.08.004

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Here, we develop a nonlocal homogenization model to characterize the electrodynamics of an array of cubic particles made of resonant rings. The effective parameters are calculated from the microscopic fields produced by a periodic external excitation. It is
confirmed that the spatial dispersion effects cannot be neglected in the regime where ¦Ì¡Ö0. We demonstrate that when the array of resonant rings is combined with a triple wire medium formed by connected wires, the structure may behave approximately as an isotropic left-handed material.