Optics for electron cyclotron resonance heating and collective Thomson scattering at the stellarator W7-X
W. Kasparek, V. Erckmann, H.P. Laqua, T. Stange, M. Weißgerber, C. Lechte, B. Plaum, D. Moseev, F. Leipold, M. Petelin, K.J. Brunner, H. Braune, S. Marsen, N. Schneider, R.C. Wolf and W7-X team
EPJ Web Conf., 149 (2017) 01013
DOI: https://doi.org/10.1051/epjconf/201714901013