Resonant scattering of plane electromagnetic waves by a dielectric ellipse

被引：0
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作者：
Pecherkin, V.Ya [1 ]
Vasilyak, L.M. [1 ,4 ]
Vetchinin, S.P. [1 ]
Kostyuchenko, T.S. [2 ]
Kulikov, Y.M. [1 ]
Privalov, P.A. [3 ]
Shvartsburg, A.B. [1 ]
机构：
[1] Joint Institute for High Temperatures of Russian Academy of Sciences Bid. 2, 13 Izhorskaya St., Moscow,125412, Russia
[2] Skolkovo Institute of Science and Technology Bid. 3, Nobelya St., Moscow,121205, Russia
[3] MIREA-Russian Technological University, 78 Vernadsky Ave., Moscow,119454, Russia
[4] Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region,141701, Russia
来源：
Applied Physics | 2019年 / 2019-January卷 / 04期
关键词：
Dielectric materials - Natural frequencies - Magnetic permeability - Electromagnetic wave polarization - Electromagnetic waves - Circular waveguides - Wave propagation - Magnetic resonance;
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摘要：
Scattering of GHz microwaves on the sub wavelength dielectric thin plane elliptically-shaped elements excited by the displacement currents is examined for the different angles of wave in-cidence. The fundamental magnetic resonances measured in the spectra of scattered waves are close to the computed values of resonant frequencies. The curl-like displacement currents are shown to stipulate the formation of magnetic dipoles and the appearance of negative magnetic permeability of the elliptically-shaped element Distribution of the magnetic field in the near zone of resonant magnetic dipole is measured The anisotropy of scattered field\ dependent upon the angle between the ellipse's axes and the direction of incident wave propagation is visualized. © 2019 Federal Informational-Analytical Center of the Defense Industry. All rights reserved.
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