采用提拉法获得了Yb3+:La2(WO4)2晶体,并测量了该晶体的室温吸收光谱.为了分析辐射陷阱效应对Yb3+光谱性质的影响,分别测量了块状和粉末状晶体样品的荧光光谱和荧光衰减曲线.研究结果表明:辐射陷阱效应导致钨酸镧晶体中Yb3+离子的荧光光谱、受激发射截面和荧光寿命等光谱性质发生了明显的变化.
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