Spectroscopy and laser gain measurements of CaF2: Nd, X3+, Z3+ (X, Z = Gd, La, Ce, Y, Lu, Sc) crystals for broadband lasers applications. - Meroni, C.; Braud, A.; Doualan, J.L.; Maunier, C.; Montant, S.; Camy, P. (Journal of Luminescence, 2022)