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Characterization of dust particles in the TEXTOR tokamak with Thomson scattering diagnostic
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2013 (English)In: Journal of Nuclear Materials, ISSN 0022-3115, E-ISSN 1873-4820, Vol. 438, no Suppl., S711-S714 p.Article in journal (Refereed) Published
Abstract [en]

The presence of dust particles in a fusion plasma is recognized as a serious issue for safe and efficient operation of the ITER tokamak. The paper presents an in situ laser assisted method for characterization of dust from thermal emission of the particles. The method was developed in the TEXTOR tokamak with the use of Thomson scattering (TS). The diagnostic is capable to detect single particles and measure the dust density profile along the laser probing axis, velocity distribution of dust particles along this axis as well as surface temperature and size of the detected particles.

Place, publisher, year, edition, pages
2013. Vol. 438, no Suppl., S711-S714 p.
Keyword [en]
Fusion plasmas, Laser-assisted, Single particle, Surface temperatures, Textor tokamaks, Thermal emissions, Thomson scattering, Thomson scattering diagnostics, Atmospheric temperature, Dust, Light scattering, Tokamak devices
National Category
Fusion, Plasma and Space Physics
URN: urn:nbn:se:kth:diva-140095DOI: 10.1016/j.jnucmat.2013.01.150ISI: 000330795300149ScopusID: 2-s2.0-84885480514OAI: diva2:688707
20th International Conference on Plasma-Surface Interactions in Controlled Fusion Devices (PSI), Forschungszentrum Julich, Aachen, Germany, May 21-25, 2012

QC 20140117

Available from: 2014-01-17 Created: 2014-01-17 Last updated: 2014-03-06Bibliographically approved

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Ratynskaia, Svetlana
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