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Ray interpretation of modes in curved nonuniform waveguides

Ray interpretation of modes in curved nonuniform waveguides

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© The Institution of Electrical Engineers
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The letter extends an earlier contribution, showing that, in curved as in straight waveguides, the modes can be described meaningfully in ray-optical terms, and that characteristic caustic surfaces play a significant role in generating the modal-ray system.

Inspec keywords: electromagnetic waves; waveguide theory

Subjects: Microwave circuits and devices

References

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      • V.P. Bykov , L.A. Vainshtein . Geometric optics of open resonators. Soviet Phys. JETP , 333 - 344
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      • Deschamps, G., Mast, P.E.: `Beam tracing and its applications', Proceedings of the symposium on quasi-optics, 1964, Polytechnic Institute of Brooklyn, p. 379–395, Microwave Research Institute Symposia Series Vol. XIV.
    3. 3)
      • S.J. Maurer , L.B. Felsen . Ray-optical techniqués for guided waves. Proc. Inst. Elect. Electronics Engrs. , 1718 - 1729
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      • P. Krasnooshkin . Acoustic and electromagnetic waveguides of complicated shape. Soviet Phys. J. , 434 - 445
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      • Rayleigh Lord . Phil. Mag.. Phil. Mag.
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      • G. Goubau , F. Schwering . On the guided propagation of electromagnetic wave beams. IRE Trans. , 248 - 256
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      • P. Morse , M. Feshbach . (1953) , Methods of theoretical physics.
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