Power scaling of ultrafast oscillators: 350-W average-power sub-picosecond thin-disk laser Saltarelli, F. ; Graumann, I. J. ; Lang, L. ; Bauer, D. ; Phillips, C. R. ; Keller, U. Abstract Publication: Optics Express Pub Date: October 2019 DOI: 10.1364/OE.27.031465 Bibcode: 2019OExpr..2731465S