Micromechanically Tunable Dielectric Rod Resonator

A resonant frequency control method for dielectric rod resonators is discussed. A dielectric rod of cylindrical shape is placed inside a metal cavity. The bottom face of the dielectric rod is fixed at the metal base plate. Resonant frequency tuning is achieved by lifting the top metal plate above th...

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Main Authors: Kostiantyn Savin, Irina Golubeva, Victor Kazmirenko, Yuriy Prokopenko, Guy A.E. Vandenbosch
Format: Article
Language:English
Published: Polish Academy of Sciences 2021-12-01
Series:International Journal of Electronics and Telecommunications
Subjects:
Online Access:https://journals.pan.pl/Content/121896/PDF/85_3251_Savin_skl_new.pdf
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author Kostiantyn Savin
Irina Golubeva
Victor Kazmirenko
Yuriy Prokopenko
Guy A.E. Vandenbosch
author_facet Kostiantyn Savin
Irina Golubeva
Victor Kazmirenko
Yuriy Prokopenko
Guy A.E. Vandenbosch
author_sort Kostiantyn Savin
collection DOAJ
description A resonant frequency control method for dielectric rod resonators is discussed. A dielectric rod of cylindrical shape is placed inside a metal cavity. The bottom face of the dielectric rod is fixed at the metal base plate. Resonant frequency tuning is achieved by lifting the top metal plate above the dielectric rod upper face. The paper presents simulations using the mode matching technique and experimental study of this tunable resonator. Resonant frequency of the basic mode can be tuned by more than an octave with displacements of only tens of micrometres, which is in range of piezoactuators, MEMS, etc. A distinct feature of the proposed tuning technique is that the quality factor of the system does not degrade throughout the tuning range.
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spelling doaj.art-52f98e82518d473d8c4f61ea699833f72022-12-22T04:00:31ZengPolish Academy of SciencesInternational Journal of Electronics and Telecommunications2081-84912300-19332021-12-01vol. 67No 4615621https://doi.org/10.24425/ijet.2021.137854Micromechanically Tunable Dielectric Rod ResonatorKostiantyn Savin0Irina Golubeva1Victor Kazmirenko2Yuriy Prokopenko3Guy A.E. Vandenbosch4Department of Electronic Engineering, Igor Sikorsky Kyiv Polytechnic Institute, Kyiv, UkraineDepartment of Electronic Engineering, Igor Sikorsky Kyiv Polytechnic Institute, Kyiv, UkraineDepartment of Electronic Engineering, Igor Sikorsky Kyiv Polytechnic Institute, Kyiv, UkraineDepartment of Electronic Engineering, Igor Sikorsky Kyiv Polytechnic Institute, Kyiv, UkraineESAT-TELEMIC Group, KU Leuven, Leuven 3000, BelgiumA resonant frequency control method for dielectric rod resonators is discussed. A dielectric rod of cylindrical shape is placed inside a metal cavity. The bottom face of the dielectric rod is fixed at the metal base plate. Resonant frequency tuning is achieved by lifting the top metal plate above the dielectric rod upper face. The paper presents simulations using the mode matching technique and experimental study of this tunable resonator. Resonant frequency of the basic mode can be tuned by more than an octave with displacements of only tens of micrometres, which is in range of piezoactuators, MEMS, etc. A distinct feature of the proposed tuning technique is that the quality factor of the system does not degrade throughout the tuning range.https://journals.pan.pl/Content/121896/PDF/85_3251_Savin_skl_new.pdfdielectric resonatorresonant frequencyelectromechanical tuningquality factormode matching technique
spellingShingle Kostiantyn Savin
Irina Golubeva
Victor Kazmirenko
Yuriy Prokopenko
Guy A.E. Vandenbosch
Micromechanically Tunable Dielectric Rod Resonator
International Journal of Electronics and Telecommunications
dielectric resonator
resonant frequency
electromechanical tuning
quality factor
mode matching technique
title Micromechanically Tunable Dielectric Rod Resonator
title_full Micromechanically Tunable Dielectric Rod Resonator
title_fullStr Micromechanically Tunable Dielectric Rod Resonator
title_full_unstemmed Micromechanically Tunable Dielectric Rod Resonator
title_short Micromechanically Tunable Dielectric Rod Resonator
title_sort micromechanically tunable dielectric rod resonator
topic dielectric resonator
resonant frequency
electromechanical tuning
quality factor
mode matching technique
url https://journals.pan.pl/Content/121896/PDF/85_3251_Savin_skl_new.pdf
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AT victorkazmirenko micromechanicallytunabledielectricrodresonator
AT yuriyprokopenko micromechanicallytunabledielectricrodresonator
AT guyaevandenbosch micromechanicallytunabledielectricrodresonator