75 MW few-cycle mid-infrared pulses from a collinear apodized APPLN-based OPCPA Heese, C. ; Phillips, C. R. ; Mayer, B. W. ; Gallmann, L. ; Fejer, M. M. ; Keller, U. Abstract Publication: Optics Express Pub Date: November 2012 DOI: 10.1364/OE.20.026888 Bibcode: 2012OExpr..2026888H