Nonexponentially Decaying Electromagnetic Waves Localized at the Boundary of Anisotropic Metal–Dielectric Structures

The possibility of the existence of a special class of surface electromagnetic waves with amplitude decreasing nonexponentially as they pass into an anisotropic metal–dielectric structure that borders the isotropic dielectric has been shown. The dispersion equation describing the propagation of such...

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Bibliographic Details
Published in:Optics and spectroscopy 2018-09, Vol.125 (3), p.383-389
Main Authors: Petrov, N. S., Kurilkina, S. N., Zimin, A. B., Belyi, V. N.
Format: Article
Language:English
Subjects:
ANISOTROPY
ATTENUATION
Attenuation coefficients
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
DENSITY
DIELECTRIC MATERIALS
Dielectric permeability
Dielectrics
DISPERSIONS
ELECTROMAGNETIC RADIATION
Lasers
MAGNETIC FIELDS
Magnetic permeability
METALS
NANOSTRUCTURES
Optical Devices
Optics
PERMEABILITY
Photonics
Physical Optics
Physics
Physics and Astronomy
POYNTING THEOREM
Surface waves
SURFACES
Wave attenuation
WAVE PROPAGATION
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Summary:The possibility of the existence of a special class of surface electromagnetic waves with amplitude decreasing nonexponentially as they pass into an anisotropic metal–dielectric structure that borders the isotropic dielectric has been shown. The dispersion equation describing the propagation of such special surface waves has been obtained, and their attenuation coefficients and formula for electric and magnetic fields in contacting media have also been found. The expressions for the longitudinal and transverse components of the Poynting vector and volume density of electric and magnetic energy of special surface waves have been obtained. Numerical calculations for the layered metal–dielectric nanostructure that is described by a uniaxial tensor of effective dielectric permeability have been carried out Decaying.
ISSN:0030-400X
1562-6911
DOI:10.1134/S0030400X18090199