0.85 and 1.54 µm emissions of CaF2:Er3+ layers grown by molecular beam epitaxy E. DARAN, R. LEGROS, A. MUÑOS-YAGÜE, C. FONTAINE et L. E. BAUSÁJ. Phys. IV France, 04 C4 (1994) C4-397-C4-401DOI: https://doi.org/10.1051/jp4:1994495
