Reducing losses and dispersion effects in multilayer
Juan D Baena, Lukas Jelinek, Ricardo Marqués
New Journal of Physics
Volume 7 , Issue 1 , 8 August 2005
This paper focuses on reduction of losses and dispersion effects on
tunnelling through waveguides filled with metamaterial. It will be shown that these unwanted effects could be reduced by dividing the metamaterial into several regions separated by air slabs. In the first part, these effects will be studied for isotropic left-handed media
(LHM). Later this will be substituted by an anisotropic magnetic medium which will lead to a practical realization with broadside coupled split ring resonators (BC-SRRs). Finally, it is shown that quasi-perfect tunnelling is possible, even in the presence of unavoidable losses and dispersion in the metamaterial.
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