Uniaxial metallo-dielectric metamaterials with scalar positive permeability
Author:
- 27 October 2006
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review E
- Vol. 74 (4) , 046618
Abstract
The dispersion relation for plane waves in uniaxial metamaterials with indefinite dielectric tensors and scalar positive permeability is theoretically investigated. It is found, that the isofrequency surfaces of the plane extraordinary waves have a hyperbolic shape which allows the propagation of waves with infinitely long wave vectors. As an example a metallodielectric multilayer was considered and the dispersion relations were determined using an effective medium approximation and an analytically exact Bloch wave calculation. The extraordinary waves in this structure are identified as multilayer plasmons and the validity of the effective medium approximation is examined.Keywords
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