Axisymmetric eigenmodes of magnetic type in an open resonator with spherical mirrors |
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Authors: | Yu. V. Svishchev |
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Affiliation: | (1) A. Ya. Usikov Institute of Radiophysics and Electronics of the National Academy of Sciences of Ukraine, Kharkov, Ukraine |
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Abstract: | We develop a rigorous mathematical model describing axisymmetric eigenmodes of magnetic type of open resonators with spherical mirrors. On the assumption that the spectrum of complex eigenfrequencies of an open resonator exists, it is proved that this spectrum is discrete and has finite multiplicity with a single accumulation point at infinity. Theoretical analysis of the spectral characteristics of an open resonator is performed in the case where the wavelength is comparable with the resonator sizes. The limits of applicability of the well-known asymptotic models of open resonators are established. __________ Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 49, No. 9, pp. 787–798, September 2006. |
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