Abstract
We consider various approaches for normalization of leaky modes of open waveguides. General properties of such modes and their relation to continuous-spectrum modes are studied. Applicability of perturbation theory for calculating the shift of mode propagation constants in the case of small variations in the waveguide structure is discussed. General relations are illustrated by an example of a waveguide in the form of a channel inside a dielectric.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 48, No. 5, pp. 388–401, May 2005.
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Manenkov, A.B. Orthogonality Conditions for Leaky Modes. Radiophys Quantum Electron 48, 348–360 (2005). https://doi.org/10.1007/s11141-005-0076-8
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DOI: https://doi.org/10.1007/s11141-005-0076-8