Abstract
Absorption of PrCl3 in methanol, iso-propanol and butanol solutions have been recorded in the visible to near infrared region and the experimental oscillator strengths of the observed absorptions for 4f2–4f2 transitions of the Pr3+ ions are measured. Using the measured oscillator strengths, three Judd–Ofelt intensity parameters Ωt (t=2, 4 and 6) are determined and hence the electric dipole line strengths and the oscillator strengths are calculated. We have observed fluorescence emission at 722nm for 3P0→3F4 transition, upon 480nm excitation at room temperature. The important radiative parameters such as spontaneous transition probability (A), luminescence branching ratio (β), radiative lifetime (τ) and the stimulated emission cross section (σ) have been estimated.
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