Absorption and emission cross sections for the 4I9/2 ↔ 4F3/2 transition in Nd:SrGdGa3O, have been measured as a function of temperature. A fluorescence branching ratio of 0.42 for this transition was calculated from a Judd–Ofelt analysis. Diode-pumped lasing was demonstrated at 0.911 μm at reduced temperature and 1.06 μm at room temperature. An optical slope efficiency of 9% was achieved at 1.06 μm with diode side pumping.
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Hanson et al. (1991) studied this question.
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