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Dust measurement with Thomson scattering in FTU
KTH, School of Electrical Engineering (EES), Space and Plasma Physics.ORCID iD: 0000-0002-6712-3625
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2008 (English)In: AIP Conference Proceedings, ISSN 0094-243X, E-ISSN 1551-7616, Vol. 988, 148-151 p.Article in journal (Refereed) Published
Abstract [en]

The size distribution of dust particles present in FTU after disruptions has been evaluated in the range 0.05 mu m - 0.1 mu m using the Thomson scattering system. Rayleigh approximation has been used to estimate the dust size. The distribution, although the radii considered do not differ more than an order of magnitude, behave like a power law. The laser energy density far exceed that necessary to vaporize, at least partially, the particles. This can affect the previous estimate of the particle sizes, and suggests that the effective radii might be larger than the estimated values. A preliminary analysis on the broad band signal is presented.

Place, publisher, year, edition, pages
2008. Vol. 988, 148-151 p.
Keyword [en]
tokamak, dust, plasma, Thomson scattering
National Category
Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:kth:diva-36958ISI: 000254687600021Scopus ID: 2-s2.0-42449141438OAI: oai:DiVA.org:kth-36958DiVA: diva2:446461
Note
QC 20111017Available from: 2011-10-07 Created: 2011-07-21 Last updated: 2017-12-08Bibliographically approved

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Ratynskaia, Svetlana V.

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