Inhomogeneous spectral line broadening and site distribution in “mixed” Er:(Sc,Y)2O3 laser ceramicsSimone Normani, Pavel Loiko, Roman Maksimov, Vladislav Shitov, Vladimir Osipov, Alain Braud and Patrice CamyEPJ Web Conf., 309 (2024) 06009DOI: https://doi.org/10.1051/epjconf/202430906009