FLUORESCENCE DYNAMICS IN SOME SOLID-STATE LASER MATERIALS EMITTING IN THE INFRARED REGION : Ho3+ DOPED LiYF4 SINGLE CRYSTALS AND FLUORIDE GLASSES
J. Phys. Colloques, 48 C7 (1987) C7-367-C7-369
DOI: 10.1051/jphyscol:1987788