Abstract
Glasses with compositions 20ZnO.xBi2O3.(79.5‐x)B2O3 (x = 25, 30, 35 mol%) containing 0.5 mol% of Er3+ ions were prepared by melt‐quench technique (1150 °C in air). The spectroscopic properties of the glasses were investigated using optical absorption spectra and fluorescence spectra. The Judd‐Ofelt intensity parameters Ωλ (λ = 2,4,6) were determined from the spectral intensities of absorption bands in order to calculate the spectroscopic properties of the prepared glass samples. All intensity parameters (Ωλ) decrease with increase in Bi2O3 content and the effect is found to be most pronounced for Ω2 values.
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