Diamond Window Diagnostics for Nuclear Fusion Applications – Early ConceptsF. Mazzocchi, G. Aiello, A. Meier, S. Schreck, P. Spaeh, D. Strauss and T. SchererEPJ Web of Conferences, 87 (2015) 04007DOI: https://doi.org/10.1051/epjconf/20158704007