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ISSN 2415-3400 (Online)
ISSN 1028-821X (Print)

TUNNELING OF ELECTROMAGNETIC WAVES THROUGH THE THREE-LAYERED STRUCTURE CONTAINING A NEGATIVE-PERMITTIVITY LAYER

heading: 
SOLID-STATE AND PLASMA RADIOPHYSICS
Beletskii, NN, Borysenko, SA
Organization: 

O. Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine
12, Proskura st., Kharkov, 61085, Ukraine
E-mail: beletski@ire.kharkov.ua
https://doi.org/10.15407/rej2018.02.054
Language: russian
Abstract: 

Subject and purpose. The effect of reflectionless transmission (tunneling) of electromagnetic waves through the three-layer structure containing a negative-permittivity layer is of great importance both for studying the fundamental properties of solids and for developing new types of unique technical devices. There is a need for investigation of the effect of reflectionless transmission of electromagnetic waves through the three-layer structure containing a negative-permittivity layer in a wide range of the three-layer structure parameters.

Methods and methodology. A new approach based on the use of dimensionless thicknesses of a three-layer structure is presented. This approach makes it possible to study the effect of reflectionless transmission of electromagnetic waves for different wavelengths and different values of parameters of the three-layer structure with asymmetric dielectric surroundings.

Results. It is shown that the presence of a negative-permittivity layer in the three-layer structure leads to a significant softening of limitations on the parameters of the positive-permittivity layers. Thus, the effect of reflectionless transmission of electromagnetic waves takes place at any preassigned positive value of the permittivity of the layers surrounding symmetrically the negative-permittivity layer. In this case, the parameters of the negative-permittivity layer should be chosen as required.

Conclusions. The results of the research extend knowledge on the mechanisms of electromagnetic waves tunneling through the three-layer structures containing negative-permittivity layers. This effect can be used for development of new types of high-frequency solid-state devices operating in different wavelength ranges
Keywords: negative-permittivity medium, reflectionless transmission, three-layered structure, tunneling

Manuscript submitted 20.03.2018
PACS: 41.20.Jb​
Radiofiz. elektron. 2018, 23(2): 54-60
Full text  (PDF)

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