Study at high frequencies of a stratified waveguide (Q2746244)
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scientific article; zbMATH DE number 1655733
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Study at high frequencies of a stratified waveguide |
scientific article; zbMATH DE number 1655733 |
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Study at high frequencies of a stratified waveguide (English)
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26 February 2002
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stratified waveguide
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high frequency analysis
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eigenvalue problem
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guided modes
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The paper presents a high frequency analysis of waveguides which are invariant in the propagation direction and which are composed of a stratified medium with a compact perturbation in the transverse section. The assumption of weak guidance allows to reduce the problem to a two-dimensional eigenvalue problem for a scalar field. The vectorial problem will be studied in a forthcoming paper. The limit of the guided modes (as the frequency tends to infinity) is characterized in terms of solutions to Dirichlet eigenproblems.
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