The effect of glass structure and local rare earth site symmetry on the optical properties of rare earth doped alkaline earth aluminosilicate glasses

Influence of barium substitution on the physical, thermal, optical and luminescence properties of Sm3+-doped metaphosphate glasses for reddish orange light applications

“…This mechanism clearly elucidates the reduced Sm 3+ emission observed in glasses with Ba 2+ as network modifier ions, particularly in comparison to the relatively high field strength cations of Na + . 43 The radiative transition probability ( A R ), fluorescent branching ratio ( β R ), and lifetime ( τ R ) for the emission peaks of Sm 3+ ions in the glass samples were determined using previously published equations. 40 The calculated values for the radiative transition probability ( A R ) and branching ratio ( β R ) for the 4 G 5/2 → 6 H 7/2 transition were found to be higher than those of other transitions.…”