Sylvain Girard joined the CEA, France, in 2004, to develop radiation-hardened optical technologies and components for megajoule class lasers, civil and military applications. Since 2012, Sylvain is Full-Professor at UJM, managing industrial, European and national projects to design radiation tolerant cameras, fiber and fiber-based sensors. He is today the head of the LabH6 Joint Research Laboratory between the UJM, the CNRS and iXBlue on this research topic. He has published 195 journal papers, 2 book chapters, 5 patents. He is the recipient of the 2013 IEEE NPSS Early Achievements and of the 2014 IEEE Léon-Nicolas Brillouin Awards.