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Two-Frequency Notch Filters for Sub-THz Plasma Diagnostics

Wagner, Dietmar; Kasparek, Walter; Leuterer, Fritz; Monaco, Francesco; Ruess, Tobias ORCID iD icon; Stober, Jörg; Thumm, Manfred

Abstract (englisch):

Modern Electron Cyclotron Resonance Heating (ECRH) systems in fusion plasma research take advantage of multi-frequency gyrotrons. This means that the frequency band of some millimeter-wave diagnostics contains more than one narrowband gyrotron-frequency line, which needs to be suppressed. Compact standard-waveguide notch filters, based on coupled waveguide resonators with rectangular cross section, are presented, which can provide very high suppression of several gyrotron frequencies providing low insertion loss in the pass band.

DOI: 10.1109/IRMMW-THz50926.2021.9567148
Zugehörige Institution(en) am KIT Institut für Hochleistungsimpuls- und Mikrowellentechnik (IHM)
Publikationstyp Proceedingsbeitrag
Publikationsdatum 20.10.2021
Sprache Englisch
Identifikator ISBN: 978-1-72819-424-0
ISSN: 2162-2035, 2162-2027
KITopen-ID: 1000141808
HGF-Programm 31.13.02 (POF IV, LK 01) Plasma Heating & Current Drive Systems
Erschienen in 2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)
Veranstaltung 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz 2021), Online, 30.08.2021 – 03.09.2021
Verlag Institute of Electrical and Electronics Engineers (IEEE)
Seiten 1–2
Nachgewiesen in Dimensions
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