Flom, E., Barbui, T., Effenberg, F., Schmitz, O., Jakubowski, M., Krychowiak, M., et al. (2019). The He/Ne beam diagnostic for line ratio spectroscopy in the Island Divertor of Wendelstein 7-X. Poster presented at 61st Annual Meeting of the APS Division of Plasma Physics, Fort Lauderdale, FL.