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Determination of tungsten sources in the JET-ILW divertor by spectroscopic imaging in the presence of a strong plasma continuum

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dc.contributor.authorHuber, A.
dc.contributor.authorBrezinsek, S.
dc.contributor.authorKirschner, A.
dc.contributor.authorStrom, P.
dc.contributor.authorBorodkina, I.
dc.date.accessioned2024-11-19T12:01:21Z
dc.date.available2024-11-19T12:01:21Z
dc.date.issued2019
dc.description.abstract© 2018 The identification of the sources of atomic tungsten and the measurement of their radiation distribution in front of all plasma-facing components has been performed in JET with the help of two digital cameras with the same two-dimensional view, equipped with interference filters of different bandwidths centred on the W I (400.88 nm) emission line. A new algorithm for the subtraction of the continuum radiation was successfully developed and is now used to evaluate the W erosion even in the inner divertor region where the strong recombination emission is dominating over the tungsten emission. Analysis of W sputtering and W redistribution in the divertor by video imaging spectroscopy with high spatial resolution for three different magnetic configurations was performed. A strong variation of the emission of the neutral tungsten in toroidal direction and corresponding W erosion has been observed. It correlates strongly with the wetted area with a maximal W erosion at the edge of the divertor tile.
dc.format.extentС. 118-124
dc.identifier.citationDetermination of tungsten sources in the JET-ILW divertor by spectroscopic imaging in the presence of a strong plasma continuum / Huber, A. [et al.] // Nuclear Materials and Energy. - 2019. - 18. - P. 118-124. - 10.1016/j.nme.2018.12.009
dc.identifier.doi10.1016/j.nme.2018.12.009
dc.identifier.urihttps://www.doi.org/10.1016/j.nme.2018.12.009
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85058552880&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000460107500022
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/16409
dc.relation.ispartofNuclear Materials and Energy
dc.titleDetermination of tungsten sources in the JET-ILW divertor by spectroscopic imaging in the presence of a strong plasma continuum
dc.typeArticle
dspace.entity.typePublication
oaire.citation.volume18
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relation.isOrgUnitOfPublication.latestForDiscoverydcdb137c-0528-46a5-841b-780227a67cce
relation.isProjectOfPublication6d363d68-72f7-4552-935f-c11cf227712e
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