Development of UO2 thermal diffusivity measurement with laser techniques Thomas Doualle, Vincent Le Guillous, Vincent Klosek, Claire Onofri-Marroncle, Matthieu Reymond, Laurent Gallais and Yves Pontillon EPJ Web Conf., 253 (2021) 07005 Published online: 19 November 2021 DOI: 10.1051/epjconf/202125307005