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Parasitic signals in the receiving band of the Sub-Harmonic Arc Detection system on JET ICRF Antennas
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2011 (English)In: AIP Conf. Proc., 2011, 17-20 p.Conference paper (Refereed)
Abstract [en]

When testing the SHAD system on JET ICRF antennas, parasitic signals in the detection band (5-20MHz) were detected. We have identified emission from grid breakdown events in the Neutral Beam injectors, and Ion Cyclotron Emission from the plasma. Spurious signals in the band 4-10 MHz are also often observed at the onset of ELM events. Such parasitic signals could complicate the design and operation of SHAD in ICRF systems for fusion devices. © 2011 American Institute of Physics.

Place, publisher, year, edition, pages
2011. 17-20 p.
, AIP Conference Proceedings, ISSN 0094-243X ; 1406
Keyword [en]
Antenna, Arc protection, ICRF, JET, Tokamak
National Category
Fusion, Plasma and Space Physics
URN: urn:nbn:se:kth:diva-150596DOI: 10.1063/1.3664919ISI: 000301041300003ScopusID: 2-s2.0-84857982712ISBN: 9780735409781OAI: diva2:744454
19th Topical Conference on Radio Frequency Power in Plasmas, 1 June 2011 through 3 July 2011, Newport, RI

QC 20140908

Available from: 2014-09-08 Created: 2014-09-08 Last updated: 2014-09-08Bibliographically approved

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Hellsten, TörbjörnLaxåback, Martin
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