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THEORETICAL ANALYSIS OF OPEN RESONATORS IN THE FORM OF WAVEGUIDE WITH SLOW-VARIED CROSS SECTION
Author(s) -
Li Qiang-Fa
Publication year - 1980
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.29.1405
Subject(s) - resonator , waveguide , physics , cross section (physics) , section (typography) , optics , field (mathematics) , resonance (particle physics) , function (biology) , acoustics , atomic physics , computer science , quantum mechanics , mathematics , evolutionary biology , pure mathematics , biology , operating system
In this paper, we obtain a general equation for determining the resonant frequencies of all the modes in an open resonator in the form of waveguide with slow-varied cross section, which has any shape of longitudinal profile. The method to solve the field longitudinal distribution function in the resonators is investigated. As examples, we derived formulas for determining the resonant frequencies of all the modes for two kinds of resonators that have drum shape and dual-cone shape intersurfaces.A good agreement between the theoretical analysis and the experimental results has been demonstrated.

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