Specific features of the telluride glasses doped by Pr3+ nanocrystallites

Investigation of infrared emission and lifetime in Tm-doped 75TeO2:20ZnO:5Na2O (mol%) glasses: Effect of Ho and Yb co-doping

“…Tellurite glasses are promising materials for fiber lasers emitting in the 2 lm region, thanks to their low phonon energy with respect to silicate and germanate glasses [7], to the high rare earth solubility and at the same time require a less complex fabrication route than fluoride [8,9]. Rare earth glasses also exhibit interesting features that make them suitable candidates for non linear optical applications [10].…”

Spectral analysis of Er3+-, Er3+/Yb3+- and Er3+/Tm3+/Yb3+-doped TeO2–ZnO–WO3–TiO2–Na2O glasses

“…The correlated spectroscopic parameters of the 9. Finally, it should be added that the rare-earth-doped tellurite glasses have demonstrated good nonlinear optical effects [50,51], which opens the possibility for the fabrication of multi-functional quantum electronic devices.…”

Specific features of fluorescence kinetics of Pr+3 doped BiB3O6 glasses

“…The terms E J' , E f 0 and E 5d , which are not present in the conventional JO approach, are the energy of the final state, the average energy of all 4f 2 states of praseodymium ion and the energy of the lowest 4f 1 5d 1 state, respectively. E f 0 was taken as 10000 cm À1 [11] and the value of E 5d was assumed to be equal to 33000 cm À1 [12], while the kU k k matrix was calculated using the free Pr 3+ ion Hamiltonian parameters [13,14]. The experimental OS were determined by numerical integration of the absorption peaks assigned to the appropriate transitions.…”