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Polarizers with non-rectangular grooves for high power millimeter waves

Nagasaki, Kazunobu; Itoh, Y.; Sakamoto, K; Obiki, T; Maekawa, T; Morioka, H; Terumichi, T; Asakawa, M.; Shats, Michael; Punzmann, Horst

Description

Polarizers with non-rectangular grooves are studied in high power millimeter wave transmission lines for electron cyclotron heating (ECH) and electron cyclotron current drive (ECCD) of fusion plasmas. The groove shape is important for determining the polarization parameters and avoiding arc breakdown in the system. A low-power measurement has been carried out for several polarizers with different groove depths. The polarization characteristics experimentally measured are in good agreement with...[Show more]

CollectionsANU Research Publications
Date published: 2001
Type: Journal article
URI: http://hdl.handle.net/1885/70484
Source: Fusion Engineering and Design
DOI: 10.1016/S0920-3796(00)00525-1

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