Local Permeability of a Metasurface in the MHz and GHz Ranges

The work is dedicated to the study of the magnetic response of a metasurface made of split ring resonators (meta-atoms) in the MHz and GHz ranges. A new method for calculating the local permeability of a metasurface in the MHz frequency range is proposed, taking into account the finite sizes of the...

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Bibliographic Details
Published inMoscow University physics bulletin Vol. 79; no. 3; pp. 376 - 384
Main Authors Satskii, A. V., Perov, N. S.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 2024
Springer Nature B.V
Subjects
Condensed Matter Physics
Current distribution
Frequency ranges
Magnetic permeability
Mathematical and Computational Physics
Metasurfaces
Physics
Physics and Astronomy
Theoretical
coupling
metamaterial
meta-atom
electromagnetic field
resonator
permeability
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Summary:The work is dedicated to the study of the magnetic response of a metasurface made of split ring resonators (meta-atoms) in the MHz and GHz ranges. A new method for calculating the local permeability of a metasurface in the MHz frequency range is proposed, taking into account the finite sizes of the elements, and for the first time, a result of high degree of accuracy matching with experimental values has been obtained. In the GHz range, additional factors such as the retardation effect, nonuniform current distribution in the meta-atom, and the complexity of the nature of meta-atoms’ interaction compared to the MHz range are also considered, in particular, the emergence of electrical interaction between them.
ISSN:0027-1349
1934-8460
DOI:10.3103/S0027134924700486