Diamond Window Diagnostics for Nuclear Fusion Applications – Early Concepts F. Mazzocchi, G. Aiello, A. Meier, S. Schreck, P. Spaeh, D. Strauss and T. Scherer EPJ Web of Conferences, 87 (2015) 04007 Published online: 12 March 2015 DOI: 10.1051/epjconf/20158704007