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Feasibility of line-ratio spectroscopy on helium and neon as edge diagnostic tool for Wendelstein 7-X.
Barbui, T; Krychowiak, M; König, R; Schmitz, O; Muñoz Burgos, J M; Schweer, B; Terra, A.
Afiliación
  • Barbui T; Department of Engineering Physics, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA.
  • Krychowiak M; Max-Planck-Institut für Plasmaphysik, 17491 Greifswald, Germany.
  • König R; Max-Planck-Institut für Plasmaphysik, 17491 Greifswald, Germany.
  • Schmitz O; Department of Engineering Physics, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA.
  • Muñoz Burgos JM; Department of Physics and Astronomy, Johns Hopkins University, Baltimore, Maryland 21218, USA.
  • Schweer B; Laboratory for Plasma Physics, Ecole Royale Militaire - Koninklijke Militaire School, 1000 Brussels, Belgium.
  • Terra A; Forschungszentrum Jülich GmbH, Institut für Energie- und Klimaforschung-Plasmaphysik, Partner of the Trilateral Euregio Cluster (TEC), 52425 Jülich, Germany.
Rev Sci Instrum ; 87(11): 11E554, 2016 Nov.
Article en En | MEDLINE | ID: mdl-27910613
A beam emission spectroscopy system on thermal helium (He) and neon (Ne) has been set up at Wendelstein 7-X to measure edge electron temperature and density profiles utilizing the line-ratio technique or its extension by the analysis of absolutely calibrated line emissions. The setup for a first systematic test of these techniques of quantitative atomic spectroscopy in the limiter startup phase (OP1.1) is reported together with first measured profiles. This setup and the first results are an important test for developing the technique for the upcoming high density, low temperature island divertor regime.
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Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Diagnostic_studies Idioma: En Revista: Rev Sci Instrum Año: 2016 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos
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Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Diagnostic_studies Idioma: En Revista: Rev Sci Instrum Año: 2016 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos