Field Patterns and Resonant Frequencies of High-Order Modes in an Open Resonator

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Original languageEnglish
Pages (from-to)641-645
Journal / PublicationIEEE Transactions on Microwave Theory and Techniques
Issue number6
Publication statusPublished - 1984
Externally publishedYes


Using the electromagnetic perturbation theory, it is shown that the linearly polarized TEMl modes (l > 0) predicted by conventional methods are not the resonant modes in an open resonator. Instead, two other series of high-order modes are proposed with improved accuracy in resonant frequencies. © 1984 IEEE