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Telecommunications and Radio Engineering

ISSN Print: 0040-2508
ISSN Online: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v71.i12.10
pages 1057-1074

RESONANCE SCATTERING OF A PLANE ELECTROMAGNETIC WAVE BY A FERRITE-STRIP GRATING-METAMATERIAL STRUCTURE

A. V. Brovenko
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkiv 61085, Ukraine
P. N. Melezhik
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085, Ukraine
A. Ye. Poyedinchuk
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkov 61085, Ukraine

ABSTRACT

The boundary-value problem of plane electromagnetic wave diffraction by a "ferrite-strip grating-metamaterial layer" structure is reduced to the Riemann-Hilbert problem with the matching factor dependent on the incident wave frequency and constitutive parameters of the ferrite and metamaterial. A method of analytical regularization is suggested to reduce the problem to an infinite set of second-kind linear algebraic equations with a kernel matrix operator. The frequency dependence of the reflection factor of the periodic structure under investigation is analyzed numerically. The frequency ranges within which the reflection factor demonstrates a pronounced resonance behavior have been found. Such a behavior of the reflection factor is explained by excitation of fields being localized near the interfaces of the media.