使用提拉法成功生长出了尺寸为φ25 mm× 50 mm的5at％ Yb∶ GdTaO4晶体.通过X射线衍射确定了晶体的结构,并拟合得到了晶体的结构参数,分析了GdTaO4晶体容易产生解理和开裂的原因.测量了它的吸收光谱以及低温和常温的光致发光光谱,计算得到了5at％Yb∶GdTaO4晶体吸收截面和受激发射截面,并综合评估了晶体的激光性能.结果表明:5at％ Yb∶ GdTaO4晶体是非常有希望实现全固态超短脉冲的工作物质.
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