Towards Yb-doped silica optical fibers with improved photodensification threshold Gholamreza Shayeganrad, Martynas Beresna, Gilberto Brambilla and Michalis N. Zervas EPJ Web Conf., 307 (2024) 02050 Published online: 18 October 2024 DOI: 10.1051/epjconf/202430702050