Between right- and left-handed media

We report analytical calculations for the propagation of electromagnetic radiation through an inhomogeneous layer whose refractive index varies in one-dimension situated between bulk right- and left-handed media. Significant field localization is generated in the layer that is caused by the coherent...

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Bibliographic Details
Published in:Optics communications 2009-03, Vol.282 (5), p.1020-1027
Main Authors: Ingrey, P.C., Hopcraft, K.I., Jakeman, E., French, O.E.
Format: Article
Language:English
Subjects:
Applied classical electromagnetism
Edge and boundary effects
reflection and refraction
Electromagnetic wave propagation, radiowave propagation
Electromagnetism
electron and ion optics
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Graded index
GRIN
Left-handed media
LHM
Localization effects
Metamaterials
Optics
Physics
Transitional layer
Wave optics
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Summary:We report analytical calculations for the propagation of electromagnetic radiation through an inhomogeneous layer whose refractive index varies in one-dimension situated between bulk right- and left-handed media. Significant field localization is generated in the layer that is caused by the coherent superposition of evanescent waves. The strength of the field localization and the transmission properties of the layer are investigated as a function of the layer width, losses and defects in the refractive index; the former two being modelled by continuous changes, and the latter by discontinuous changes, in the index profile.
ISSN:0030-4018
1873-0310
DOI:10.1016/j.optcom.2008.11.037