Beyond the IFTA – Phase mask generation for 3D laser beam shaping, tailored temperature distributions and optical amplifiersOskar Hofmann, Paul Buske, Robin Kurth, Annika Bonhoff and Carlo HollyJ. Eur. Opt. Society-Rapid Publ., 21 1 (2025) 17DOI: https://doi.org/10.1051/jeos/2025013