Experimental Studies of the Fabry-Perot Resonator with Mirrors Perforated by Coaxial-Sector Holes

Antonenko, Y. V.; Antonenko, Yevhenii; Gribovsky, A. V.

doi:10.1109/diped.2019.8882613

Cited by 4 publications

(2 citation statements)

References 17 publications

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“…In particular, it can be used inside and outside the resonator devices for formation of electromagnetic beams with certain polarization properties [30]. To check the basic electromagnetic properties of metal plates perforated with coaxial-sector apertures, preliminary experimental studies of the Fabry-Perot resonator were carried out [31]. Two classical technologies are well suited for the manufacture of experimental samples: milling technology and laser cutting.…”

Section: Discussionmentioning

confidence: 99%

Electromagnetic Properties of a Babinet-Type Metasurface Composed of Coaxial-Sector Apertures

Gribovsky¹,

Antonenko²,

Antonenko³

et al. 2021

PIER M

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Electromagnetic properties of a planar metallic metasurface with the design inspired by Babinet's principle are numerically studied. The metasurface is constructed from a metal plate perforated by coaxial-sector apertures. It is shown that the chosen coaxial-sector apertures make it possible to obtain a wider operating range of the metasurface than those composed of apertures of other shapes (e.g., round or rectangle). Moreover, the proposed metasurface performs an efficient polarization conversion of the linearly polarized wave to elliptically and circularly polarized ones in the reflected field.

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Section: Discussionmentioning

confidence: 99%

Electromagnetic Properties of a Babinet-Type Metasurface Composed of Coaxial-Sector Apertures

Gribovsky¹,

Antonenko²,

Antonenko³

et al. 2021

PIER M

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show abstract

“…It seems of interest to investigate the electrodynamic properties of the Fabry-Perot resonators in which metal screens of a fi nite thickness perforated by holes of complex geometry are used as the "mirrors". It will be observed that the electrodynamic characteristics of the Fabry-Perot resonators with rectangular and coaxial-sector holes have been theoretically and experimentally investigated in detail in papers [4][5][6][7]. In particular, such two-layer structures based on the Fabry-Perot resonators with semitransparent mirrors have been shown to possess unique properties and can be applied in various fi elds of science and technology.…”

Section: Introductionmentioning

confidence: 99%

A Fabry-Perot Metaresonator Supporting Trapped-Mode Resonances

Gribovsky

2021

Radio phys. radio astron.

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Purpose: Investigation of the electrodynamic properties of a Fabry-Perot metaresonator formed by two parallel perfectly conducting, two-dimensionally periodic, two-element screens of finite thickness with rectangular holes. The resonator is excited by a plane linearly polarized electromagnetic wave. The basic cell of each of the screens used as the metaresonator mirrors contains two lengths of rectangular waveguides of different transverse sections. Design/methodology/approach: An operator method for solving the 3D problems of electromagnetic wave diffraction by multielement two-dimensionally periodic structures is used in the study. The computation algorithm uses the partial domain technique and the method of generalized scattering matrices. Findings: As follows from the results of the numerical modeling made, the magnitude of the plane wave reflected from the metaresonator turns to zero at fixed frequencies lying below the cutoff frequencies for the rectangular waveguide sections embedded in the resonator mirrors. The effect of the total electromagnetic wave transmission through the metaresonator at the first lower frequency is characterized by a strong localization of the electromagnetic field in the resonator volume. The reason is excitation of the metaresonator by the exponentially descending field penetrating inside the resonator through the evanescent holes at the resonance frequency. The second low-frequency resonance of the total electromagnetic wave transmission through the metaresonator is associated with the trapped-mode resonance, which is observed in multielement two-dimensionally periodic structures. This case is characterized by a strong localization of the electromagnetic field from both sides near the metaresonator mirror surfaces. Conclusions: The unique electrodynamic properties of the metaresonator can find application in the devices for measuring the electrophysical parameters of composite materials with high losses. The effect of strong localization of the electromagnetic field both in the resonator volume and near the mirror surfaces can be used for monitoring the gaseous substances in crowded places. Key words: two-dimensionally periodic screen; rectangular waveguide; Fabry-Perot metaresonator; reflection factor; evanescent waveguide; trapped-mode resonance

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Experimental Investigation of Frequency-selective Properties of Metal Metasurface Supporting a Trapped Mode Resonance

Gribovsky

Antonenko

2020

2020 IEEE Ukrainian Microwave Week (UkrMW)

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Experimental Studies of the Fabry-Perot Resonator with Mirrors Perforated by Coaxial-Sector Holes

Cited by 4 publications

References 17 publications

Electromagnetic Properties of a Babinet-Type Metasurface Composed of Coaxial-Sector Apertures

Electromagnetic Properties of a Babinet-Type Metasurface Composed of Coaxial-Sector Apertures

A Fabry-Perot Metaresonator Supporting Trapped-Mode Resonances

Experimental Investigation of Frequency-selective Properties of Metal Metasurface Supporting a Trapped Mode Resonance

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