Evolution of femtosecond laser damage in a hafnia–silica multi-layer dielectric coating Velpula, P. K. ; Ďurák, M. ; Kramer, D. ; Meadows, A. R. ; Vilémová, M. ; Rus, B. Abstract Publication: Optics Letters Pub Date: November 2019 DOI: 10.1364/OL.44.005342 Bibcode: 2019OptL...44.5342V