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

ISSN Print: 0040-2508
ISSN Online: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v56.i2.60
18 pages

Open Confocal Resonators of Finite Conductivity with Cylindrical Mirrors

Victor Filippovich Kravchenko
Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, 11-7, Mokhovaya St., Moscow 125009, Russia; Bauman Moscow State Technical University, 5, Vtoraya Baumanskaya St., Moscow 105005 Russia; Scientific and Technological Center of Unique Instrumentation, Russian Academy of Sciences, 15, Butlerova St., Moscow 117342, Russia
Valerii Vyacheslavovich Konushenko
Physical Department of MGU

ABSTRACT

Oscillations in open resonators formed by confocal cylindrical mirrors from materials with finite conductivity are considered. Expressions for spectrum, Q-factor of the resonator, field distribution in the resonance volume and density of the quazisurface current on the mirrors are obtained and numerically calculated for the resonators with single and multilayered coatings of mirrors from normal and superconducting materials. Experimental investigations of such resonators in the millimeter wave band were made.


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