Table 2

Sample codeMG conc. (×10−5) MFe conc. M aPeak Em. wavelength ( ) nm bEffective bandwidth ( ) nm cQY ( ) dDecay time (τ) ns eRadiative trans. prob. ( ) (×108) s−1 fNonradiative trans. prob. ( ) (×108) s−1

FxM1 glass, x = 1–4
F1M11 0.0162066.93
F2M110.0262176.39
F3M110.0362885.060.133.290.402.63
F4M110.0461660.37
M110.00573133.360.063.580.172.62

FxM4 glass, x = 1–4
F1M4500.0162082.30
F2M4500.0262661.67
F3M4500.0362462.960.053.590.132.66
F4M4500.0462664.94
M4500.00585 132.690.073.010.213.09

Peak emission wavelength ( ), beffective band width ( ), cfluorescence quantum yield ( ), dradiative decay time (τ), eradiative rate ( ), and fnonradiative transition probability ( ) of emission in Fe-MG doped SiO2 glasses.