Artículo
Accurate modeling of split ring metamaterial lenses for magnetic resonance imaging applications
Autor/es | Jelinek, Lukas
Marqués Sillero, Ricardo Freire Rosales, Manuel José |
Departamento | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo |
Fecha de publicación | 2009 |
Fecha de depósito | 2019-10-23 |
Publicado en |
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Resumen | The usefulness of thin split ring metamaterial slabs for imaging applications, including magnetic
resonance imaging applications, has attracted some attention in the past years. However, the small
number of unit cells ... The usefulness of thin split ring metamaterial slabs for imaging applications, including magnetic resonance imaging applications, has attracted some attention in the past years. However, the small number of unit cells across these thin slabs prevents the direct application of continuous medium models for its characterization. The main aim of this contribution is to provide a rigorous model for these structures, also clarifying the usefulness of continuous medium approach for their characterization. The proposed model is a generalization of the classical Lorentz procedure to two dimensions and is able to deal with electrically thin slabs made of small resonant closed current loops. The obtained results are validated by full-wave electromagnetic simulations and compared with the continuous model approximation of the slab. |
Identificador del proyecto | TEC2007-68013-C02-01/TCM
CSD2008-00066 P06-TIC-01368 |
Cita | Jelinek, L., Marqués Sillero, R. y Freire Rosales, M.J. (2009). Accurate modeling of split ring metamaterial lenses for magnetic resonance imaging applications. Journal of Applied Physics, 105 (2), 024907. |
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