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Polarizers with non-rectangular grooves for high power millimeter waves

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dc.contributor.authorNagasaki, Kazunobu
dc.contributor.authorItoh, Y.
dc.contributor.authorSakamoto, K
dc.contributor.authorObiki, T
dc.contributor.authorMaekawa, T
dc.contributor.authorMorioka, H
dc.contributor.authorTerumichi, T
dc.contributor.authorAsakawa, M.
dc.contributor.authorShats, Michael
dc.contributor.authorPunzmann, Horst
dc.date.accessioned2015-12-13T22:15:37Z
dc.date.issued2001
dc.date.updated2015-12-11T07:18:51Z
dc.description.abstractPolarizers 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 numerical results in which the actual groove shape is taken into account. The polarizers are designed and applied to different frequencies of ECH/ECCD systems. Favorable results have been obtained in high-power transmission up to 500 kW, 0.2 s.
dc.identifier.issn0920-3796
dc.identifier.urihttp://hdl.handle.net/1885/70484
dc.publisherElsevier
dc.sourceFusion Engineering and Design
dc.subjectKeywords: Electric currents; Electron cyclotron resonance; Millimeter waves; Plasma heating; Polarization; Electron cyclotron current drive (ECCD) systems; Electron cyclotron resonance heating (ECRH); Gaussian beams; Polarizers; Tokamak devices Electron cyclotron heating and current drive; High power millimeter wave; Non-rectangular groove; Polarizer
dc.titlePolarizers with non-rectangular grooves for high power millimeter waves
dc.typeJournal article
local.bibliographicCitation.lastpage497
local.bibliographicCitation.startpage491
local.contributor.affiliationNagasaki, Kazunobu , Kyoto University
local.contributor.affiliationItoh, Y., Max Planck Institute for Gravitational Physics
local.contributor.affiliationSakamoto, K, Kyoto University
local.contributor.affiliationObiki, T, Kyoto University
local.contributor.affiliationMaekawa, T, Kyoto University
local.contributor.affiliationMorioka, H, Kyoto University
local.contributor.affiliationTerumichi, T, Kyoto University
local.contributor.affiliationAsakawa, M., Kyoto University
local.contributor.affiliationShats, Michael, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationPunzmann, Horst, College of Physical and Mathematical Sciences, ANU
local.contributor.authoruidShats, Michael, u9113958
local.contributor.authoruidPunzmann, Horst, u9813799
local.description.embargo2037-12-31
local.description.notesImported from ARIES
local.description.refereedYes
local.identifier.absfor020204 - Plasma Physics; Fusion Plasmas; Electrical Discharges
local.identifier.ariespublicationMigratedxPub2325
local.identifier.citationvolume53
local.identifier.doi10.1016/S0920-3796(00)00525-1
local.identifier.scopusID2-s2.0-14344271326
local.type.statusPublished Version

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