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An Integral Equation for the Surface Current in the Problem of the Natural Modes of a Waveguide Containing a Resistive Film

I. M. Braver, Kh. L. Garb, P. Sh. Fridberg

physics.class-pharXiv:2610.37907

Abstract

This paper considers the eigenmode problem for a waveguide with a resistive film. An integral equation for the surface current on the film is formulated. A method for evaluating the kernel is described, and an explicit expression for the kernel is derived for rectangular and circular waveguides.

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