Abstract
Optical absorption and fluorescence spectra of Eu3+ ions in Al(NO3)3-SiO2 sol-gel glass have been investigated using the Judd- Ofelt theory. JO intensity parameters (ω λ ) and subsequent radiative properties for5 D 0 ↔7 F 1,2,4,6 transitions are determined. The lifetime (τr) of5 D 0 state is computed and along with JO parameters are compared with their corresponding values in other glasses prepared by conventional technique. A structural analysis, using IR and XRD spectra and non- linear parametrization of the silica gel glass is carried out. The study reveals the glass to be a very good third order non- linear amorphous optical material.
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