Barbui, T.Effenberg, F.Krychowiak, M.Schmitz, O.Blackwell, B.Endler, M.Hammond, K.Jakubowski, M.König, R.Loch, S.Marion, H.Muños Burgos, J.Rudischhauser, L.2026-01-012026-01-019781510868441https://hdl.handle.net/1885/733799344This work has been funded by the Department of Energy under grant DE-SC0014210. This work has been carried out within the framework of the EUROfusion Consortium and has received funding from the Euratom research and training programme 2014-2018 under grant agreement No 633053. The views and opinions expressed herein do not necessarily reflect those of the European Commission.3enThe He/Ne beam diagnostic for active emission spectroscopy in the island divertor of Wendelstein 7-X201885057197864