Overview of diagnostic performance and results for the first operation phase in Wendelstein 7-X (invited)
- Krychowiak, M.
- Adnan, A.
- Alonso, A.
- Andreeva, T.
- Baldzuhn, J.
- Barbui, T.
- Beurskens, M.
- Biel, Wolfgang
- Biedermann, C.
- Blackwell, B. D.
- Bosch, H. S.
- Bozhenkov, S.
- Brakel, R.
- Braeuer, T.
- de Carvalho, B. Brotas
- Burhenn, R.
- Buttenschoen, B.
- Cappa, A.
- Cseh, G.
- Czarnecka, A.
- Dinklage, A.
- Drews, P.
- Dzikowicka, A.
- Effenberg, F.
- Endler, M.
- Erckmann, V.
- Estrada, T.
- Ford, O.
- Fornal, T.
- Frerichs, H.
- Fuchert, G.
- Geiger, J.
- Grulke, O.
- Harris, J. H.
- Hartfuss, H. J.
- Hartmann, D.
- Hathiramani, D.
- Hirsch, M.
- Hoefel, U.
- Jablonski, S.
- Jakubowski, M. W.
- Kaczmarczyk, J.
- Klinger, T.
- Klose, S.
- Knauer, J.
- Kocsis, G.
- Koenig, R.
- Kornejew, P.
- Kraemer-Flecken, A.
- Krawczyk, N.
- Kremeyer, T.
- Ksiazek, I.
- Kubkowska, M.
- Langenberg, A.
- Laqua, H. P.
- Laux, M.
- Lazerson, S.
- Liang, Y.
- Liu, S. C.
- Lorenz, A.
- Marchuk, A. O.
- Marsen, S.
- Moncada, V.
- Naujoks, D.
- Neilson, H.
- Neubauer, O.
- Neuner, U.
- Niemann, H.
- Oosterbeek, J. W.
- Otte, M.
- Pablant, N.
- Pasch, E.
- Pedersen, T. Sunn
- Pisano, F.
- Rahbarnia, K.
- Ryc, L.
- Schmitz, O.
- Schmuck, S.
- Schneider, W.
- Schroeder, T.
- Schuhmacher, H.
- Schweer, B.
- Standley, B.
- Stange, T.
- Stephey, L.
- Svensson, J.
- Szabolics, T.
- Szepesi, T.
- Thomsen, H.
- Travere, J. -M.
- Mora, H. Trimino
- Tsuchiya, H.
- Weir, G. M.
- Wenzel, U.
- Werner, A.
- Wiegel, B.
- Windisch, T.
- Wolf, R.
- Wurden, G. A.
- Zhang, D.
- Zimbal, A.
- Zoletnik, S.
DOIAbstract
Wendelstein 7-X, a superconducting optimized stellarator built in Greifswald/Germany, started its first plasmas with the last closed flux surface (LCFS) defined by 5 uncooled graphite limiters in December 2015. At the end of the 10 weeks long experimental campaign (OP1.1) more than 20 independent diagnostic systems were in operation, allowing detailed studies of many interesting plasma phenomena. For example, fast neutral gas manometers supported by video cameras (including one fast-frame camera with frame rates of tens of kHz) as well as visible cameras with different interference filters, with field of views covering all ten half-modules of the stellarator, discovered a MARFE-like radiation zone on the inboard side of machine module 4. Th...
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