Abstract
Propagation properties of electromagnetic waves in a medium with a negative index of refraction are investigated. A model of a physical signal that combines simultaneously qualities of both a spatially-localized beam and a wavepacket was used as the incident wave. Such a choice was necessary because of the strong frequency dispersion of metamaterials in the spectral region with a negative index of refraction. An approximate analytical solution was derived that describes the propagation dynamics of such a signal through a slab made of material showing simultaneously a negative dielectric permittivity and magnetic permeability.
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Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 75, No. 2, pp. 187–193, March–April, 2008.
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Grigor’ev, V.V., Kabanov, V.V. Propagation of a localized wavepacket in a metamaterial with a negative index of refraction. J Appl Spectrosc 75, 192–198 (2008). https://doi.org/10.1007/s10812-008-9030-9
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DOI: https://doi.org/10.1007/s10812-008-9030-9