Energy transfer and broad-band luminescence of Nd3+-Er3+ co-doped Lithium Fluorophosphate (LFP) glasses

Luminescence properties and energy transfer of Nd3+- Er3+/ Nd3+-Pr3+ co-doped LFP glasses system

“…The shortening of the decay time [ 5 ] served as evidence of the mechanism of energy transfer involving ions like Nd 3+ -Er 3+ and Nd 3+ -Pr 3+ . The energy transfer by level diagram was reported in our earlier work [ 18 , 19 ]. Using lifetime change, the Dexter and Föster formula (Eq.…”

“…This behavior shows that the effectiveness of energy transfer between donor-acceptor ions depends on the overlap between the donor's emission and the activator's absorption, which in turn impacts whether luminescence intensity is increased or decreased. The experiments [ 18 , 19 ] demonstrated that a rise in the density of the glass sample led to a corresponding decrease in the emission intensity of the co-doping sample. However, because of the wavelength overlap with the Nd 3+ ion, the peak of the Pr 3+ ion is imperceptible.…”

“…For each sample, the reagents with a purity of 99.99 % were weighed and combined in an alumina crucible in powder form. All of the samples were prepared using the same methodology that called as melted-quenched technique which outlined in our previous publication [ 18 , 19 ]. Characterization is assessed after the process of cutting the glass and ensuring its appropriate dimensions.…”

“…Choosing the proper host material is essential for efficient energy transfer since the host material significantly affects the sensitized luminescence. As explained in our earlier research, lithium fluorophosphate was our material of choice for the present glass [ 18 , 19 ]. The energy transfer mechanisms involved in the Nd 3+ -Er 3+ /Nd 3+ -Pr 3+ co-doped LFP glasses system are complex but fascinating.…”

Increasing quantum efficiency of erbium optical medium doped lithium fluorophosphate (EDLF) as a candidate of glass-based optical amplifier

“…The results obtained are that the energy level 4 I15/2 → 2 H11/2 which has a wavelength of 522 nm is the highest absorption collated to the other 10 transitions. A supporting factor, which is no less important, is the value of the oscillator strength, which obtained the highest score on this transition [13][14]…”