Modes of an elliptical cylindrical resonant cavity - analytical solution (CROSBI ID 265012)
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Podaci o odgovornosti
Grbić, Mihael S.
engleski
Modes of an elliptical cylindrical resonant cavity - analytical solution
An analytical solution of the Helmholtz equation for electromagnetic field distribution in a resonant cavity with elliptic cross-section is found. We compare the frequencies of the eigenmodes with numerical and experimental values for a metallic cavity and find an excellent matching. We focus our analysis on the microwave frequency region, and show how the ellipticity of the cavity (ratio of the minor and major axes length b/a) influences several mode frequencies and also the Q-factor of the cavity. By doing so, we demonstrate how the elliptic geometry splits the degeneracy of certain modes of the circular cylindric cavity.
Resonator ; elliptical cavity ; microwave ; Q-factor ; Helmholtz equation
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Podaci o izdanju
125 (22)
2019.
224501-1-224501-12
objavljeno
0021-8979
1089-7550
10.1063/1.5093091