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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN 印刷: 0040-2508
ISSN オンライン: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v57.i5.100
16 pages

Solitary Resonance in the Diffraction on Impedance Gratings

N. A. Balakhonova
Kharkov Military University 6, Svoboda Sq., Kharkov, 61005, Ukraine
A. V. Kats
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura Sir., Kharkiv 61085, Ukraine

要約

A detailed analytical treatment and numerical analysis of the resonance diffraction of a plane monochromatic wave on gratings formed by modulation of optical constants on the boundary of a highly reflecting medium are performed at an impedance approximation. Both Wood and Rayleigh-type anomalies in the intensities and phases of diffracted waves under the conditions of a solitary resonance are investigated. Specifically, the conditions under which the incident wave is transformed into the surface electromagnetic (EM) wave (EMW) and the specular reflection is totally suppressed. The relations of width, location and other parameters of resonance transformation to the optic constants of a medium and the grating parameters are derived. The obtained results suggest that using the Wood and Rayleigh anomalies hold a great deal of promise in terms of serving metrological purposes, thereby permitting the radiation and gratings' parameters as well as optical characteristics of a medium to be determined to a high degree of accuracy.


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