865814.fig.008a
(a)
865814.fig.008b
(b)
Figure 8: (a) Spectral overlap between a5P3 a5D4 emission band of Fe-I and S0 S1 MG absorbance band. (b) Schematic representation of energy transfer from Fe-I to MG dye in SiO2 glass under 445 nm excitation.