Abstract
The spectral parameters of Nd3+ ions in Nd: KLa(WO4)2 crystal have been investigated based on Judd-Ofelt theory. The spectral parameters were obtained: the parameters of oscillator strengths Ωλ are Ω2=3.0887×10−20 cm2, Ω4=1.0375×10−20 cm2, Ω6= 1.0422×10−20 cm2, the radiative lifetime is 685 μs, the quantum efficiency is 30.7%, and the fluorescence branch ratios were calculated: β1=0.432, β2=0.475, β3=0.089, β4=0.004.
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