Judd–Ofelt analysis of Pr 3+ ions in fluoroindate glasses: influence of odd third order intensity parameters

Abstract

In this work an analysis of the Judd–Ofelt phenomenological Ω λ intensity parameters for the Pr 3+ ion in fluoroindate glass is made. Different Pr 3+ concentrations, namely 1, 2, 3 and 4 mol% are used. The experimental oscillator strengths have been determined from the absorption spectra. A consistent set of parameters is obtained only with the inclusion of odd rank third order intensity parameters and if the band at 21 470 cm −1 is assigned to the 3 H 4→ 3 P 1 transition and the 1 I 6 component is incorporated in the 3 H 4→ 3 P 2 transition at 22 700 cm −1.