85 W VECSEL output at 1270 nm with conversion efficiency of 59 % Keller, S. T. ; Sirbu, A. ; Iakovlev, V. ; Caliman, A. ; Mereuta, A. ; Kapon, E. Abstract Publication: Optics Express Pub Date: June 2015 DOI: 10.1364/OE.23.017437 Bibcode: 2015OExpr..2317437K