Using high-frequency resonance of ferroelectric materials to control the characteristics of microwave-radiation scattering

  • Dmitry V. Zaerko Yanka Kupala State University of Grodno, Ažeška Street, 22, 230023, Grodno, Belarus
  • Leonid S. Gaida Yanka Kupala State University of Grodno, Ažeška Street, 22, 230023, Grodno, Belarus
  • Andrey C. Svistun Yanka Kupala State University of Grodno, Ažeška Street, 22, 230023, Grodno, Belarus
  • Liubou A. Kalosha Grodno State College of Engineering, Technology, and Design, Gorki Street, 86, 230009, Grodno, Belarus

Abstract

This paper presents a study of the possibilities to control the microwave-radiation propagation characteristics by varying the dielectric constant of the structural components. The complex structured periodic lattice with adjustable electrophysical parameters is considered. The influence of electromagnetic parameters on the propagation characteristics of microwave-range electromagnetic radiation is studied. The construction method and choice of the periodic structures based on hollow dielectric rods with filling, offering the possibility to vary the dielectric constant, are substantiated. The measuring results for scattering of the microwave-range electromagnetic waves from the periodic structures when using ferroelectric beams with variable electrophysical parameters are given. The effect of variations in the dielectric constant of the structural components on the energy redistribution of the harmonics of scattered electromagnetic radiation is demonstrated. The technique to control scattering of the microwave field on a periodic lattice of ferroelectric due to changes in the dielectric constant of the lattice components by the high-frequency field at the resonance frequency of the material is proposed. A mechanism of the resonance control over the dielectric characteristics of ferroelectric and scattering of the microwave field at the equidistant lattice is given. Based on the simulation results, the requirements for the electrophysical properties of materials offering the control over the propagation of electromagnetic waves in systems with adjustable electrophysical parameters may be determined. Such structures can be used for the development of new electronics-controlled opto- and microwave devices.

Author Biographies

Dmitry V. Zaerko, Yanka Kupala State University of Grodno, Ažeška Street, 22, 230023, Grodno, Belarus

senior lecturer at the department of electrical engineering and electronics, faculty of physico-technical

Leonid S. Gaida, Yanka Kupala State University of Grodno, Ažeška Street, 22, 230023, Grodno, Belarus

doctor of science (physics and mathematics), full professor; professor at the department of laser physics and spectroscopy, faculty of physico-technical

Andrey C. Svistun, Yanka Kupala State University of Grodno, Ažeška Street, 22, 230023, Grodno, Belarus

PhD (physics and mathematics); associate professor at the department of technical mechanics, faculty of engineering and construction

Liubou A. Kalosha, Grodno State College of Engineering, Technology, and Design, Gorki Street, 86, 230009, Grodno, Belarus

lecturer

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Published
2017-09-29
Keywords: periodic dielectric structures, ferroelectrics, dielectric constant, S-parameter changes, the control of the propagation characteristics of microwave scattering
How to Cite
Zaerko, D. V., Gaida, L. S., Svistun, A. C., & Kalosha, L. A. (2017). Using high-frequency resonance of ferroelectric materials to control the characteristics of microwave-radiation scattering. Journal of the Belarusian State University. Physics, 3, 65-72. Retrieved from https://journals.bsu.by/index.php/physics/article/view/458
Issue
No 3 (2017): Journal of the Belarusian State University. Physics
Section
Microwave Radiation Physics

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