Numerical determination of frequency behavior in cloaking structures based on L-C distributed networks with TLM method
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AuthorBlanchard, Cédric; Porti Durán, Jorge Andrés; Morente Chiquero, Juan Antonio; Salinas Extremera, Alfonso; Wu, Bae-Ian
Optical Society of America
Invisibility cloaksComputational electromagnetic methodsMetamaterials
Blanchard, C.; et al. Numerical determination of frequency behavior in cloaking structures based on L-C distributed networks with TLM method. Optics Express, 16(13): 9344-9350 (2008). [http://hdl.handle.net/10481/32939]
SponsorshipThis work has been supported in part by the “Ministerio de Educación y Ciencia” of Spain under research projects No. FIS2004-03273 and FIS2007-63293, cofinanced with FEDER funds of the European Union.
The increasing interest in metamaterials with negative refractive index has been prompted by a variety of promising optical and microwave applications. Often, the resulting electromagnetic problems to be solve are not analytically derivable; therefore, numerical modeling must be employed and the Transmission Line Modeling (TLM) method constitutes a possible choice. After having greatly simplified the existing TLM techniques for the modeling of metamaterials, we propose in this paper to carry out a frequency study of cloaking structure.