Optimized composition of LiREF4 (RE = TbxY1-x) crystals for efficient green and yellow lasers - fluorescence quenching in Tb3+ ionsM. Badtke, S. Kalusniak, S. Püschel, H. Tanaka and C. KränkelEPJ Web Conf., 267 (2022) 01047DOI: https://doi.org/10.1051/epjconf/202226701047