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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Imprimer: 0040-2508
ISSN En ligne: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v65.i11.30
pages 995-1002

Metal Mirror Influence on Forced Whispering Gallery Oscillations in a Hemispherical Dielectric Resonator

A. Ya. Kirichenko
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085
A. Ye. Kogut
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085
Yu. V. Bludov
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician ProskuraSt., Kharkov 61085, Ukraine
G. V. Golubnichaya
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkov 61085, Ukraine
V. V. Kutuzov
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085, Ukraine
I. G. Maximchuk
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura Str., Kharkiv 61085, Ukraine
V. A. Solodovnik
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085, Ukraine

RÉSUMÉ

A frequency spectrum of H-modes of a dielectric hemispherical resonator has been studied with a metal mirror in an equatorial plane and in the absence of a mirror. It has been found that, in contrast to E-mode oscillations, H-mode oscillations can be also excited in absence of a metal mirror. This fact was previously considered to be impossible and in doing so the rarefaction of a spectrum and increase in a quality factor of resonant oscillations have been observed. Moreover, boundaries of regions of localization of whispering gallery EM fields and distribution of their intensity along a surface of a dielectric resonator have been ascertained.


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