Scattering of a TM surface wave at a guide deformation

Abstract
Properties of the reflection and mode conversion of the fundamental TM surface wave at a guiding structure deformation are investigated in this paper with the boundary perturbation technique. In order to obtain each order of the scattered fields, it is found that a separate boundary value problem has to be solved. A brief outline of the formulation is given. Numerical results from an example are presented in graphs to show the effect of the geometric shape of the deformation.

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