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Abstract:
采用提拉法(Czochralski)生长出优质的GdVO4和Yb:GdVO4晶体,其中纯GdVO4晶体具有较高的透过率,可达81%。晶体在室温下的偏振吸收光谱与非偏振荧光光谱表明,Yb:GdVO4晶体是一种具有较大的吸收半峰宽和荧光半峰宽的激光晶体,分别为44~52mm和40-46nm;随着掺杂浓度增大,π偏振吸收系数呈现饱和趋势,且荧光峰的位置出现了红移。此外,还采用Nd:YAG激光器测试了晶体的激光损伤阈值,实验表明,随着Yb3+掺杂浓度从4.1at%增加到22.9at%,激光损伤阈值也相应地从19.9×109W/cm2逐渐减小到2.79×109W/cm2。
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Source :
人工晶体学报
Year: 2004
Issue: 05
Page: 770-775
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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