Schedule 0 10:30 AM - 10:45 AM [ALPS7-06] Damage threshold and lifetime improvement on gold coated diffraction gratings in fs regime *Yann BERNARD1, Gilles REY2, Thomas MORBIEU2, Alain PELLEGRINA2, Benoit. BEAUREPAIRE2, Sandrine RICAUD2, Herve BESAUCELE2, Olivier CHALUS2, Amine BOUSSADI1 (1. Horiba France, 2. Thales LAS France SAS)