生长了新型激光晶体Pr:GdVO4,经XRD分析可知生长的晶体与纯GdVO4晶体结构一致,晶体质量良好.室温下测试了晶体400～3000 nm范围内的吸收光谱.通过对吸收光谱研究,发现σ谱图中各吸收峰吸收强度更大,宜选择入射光传播方向和电矢量均垂直于光轴的方向进行激光实验.采用404 nm的激发源抽运Pr:GdVO4晶体,测试其荧光光谱,发现其在可见波段有宽且强荧光发射(604 nm、616 nm),对应于1D2→3H4.比较不同浓度晶体的荧光谱,荧光强度呈现如下趋势:0.5%>0.7%>0.32%.
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