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Design of a Brewster-angle broad-band waveguide window with ghost-mode suppression for the Ku-band

Konstruktion eines breitbandigen Brewster-Winkel-Hohlleiterfensters mit Unterdrückung der Geisterwellen für das Ku-Band

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Summary

A broad-band waveguide window for the Ku-band using Brewster's angle is shown both theoretically and experimentally to suffer from a ghost-mode's interference. From the knowledge of the field distributions, the ghost-mode can be suppressed by short circuits which do not hamper the transmission of the fundamental waveguide mode. Experiments prove the principle.

Zusammenfassung

Theoretisch und experimentell wird nachgewiesen, dass ein breitbandiges, mit dem Brewster-Winkel eingebautes Hohlleiterfenster durch Geisterwellen beeinträchtigt wird. Aus der Kenntnis der Feldverteilungen heraus können die Geisterwellen durch Kurzschlüsse, welche den Wellendurchgang nicht beeinflussen, unterdrückt werden. Experimente belegen die prinzipielle Wirkungsweise.

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Authors and Affiliations

  1. Institut für Sensor- und Aktuatorsysteme, Technische Universität Wien, Wien, Austria

    F. Paschke

  2. Institut für Nachrichtentechnik und Hochfrequenztechnik, Technische Universität Wien, Wien, Austria

    W. Ehrlich-Schupita

  3. Institut für Elektrische Mess- und Schaltungstechnik, Technische Universität Wien, Wien, Austria

    M. Mayer

Authors
  1. F. Paschke
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  2. W. Ehrlich-Schupita
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  3. M. Mayer
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Paschke, F., Ehrlich-Schupita, W. & Mayer, M. Design of a Brewster-angle broad-band waveguide window with ghost-mode suppression for the Ku-band. Elektrotech. Inftech. 125, 197–201 (2008). https://doi.org/10.1007/s00502-008-0535-y

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  • DOI: https://doi.org/10.1007/s00502-008-0535-y

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