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朱孟辉,路大治,梁飞,等. 掺镱钨酸锶晶体的生长及其性能表征[J]. 应用技术学报,2021,21(1):8-15. DOI: 10.3969/j.issn.2096-3424.21017
引用本文: 朱孟辉,路大治,梁飞,等. 掺镱钨酸锶晶体的生长及其性能表征[J]. 应用技术学报,2021,21(1):8-15. DOI: 10.3969/j.issn.2096-3424.21017
ZHU Menghui, LU Dazhi, LIANG Fei, ZHANG Huaijin. Growth and Properties of Yb3+-Doped Strontium Tungstate Crystal[J]. Journal of Technology, 2021, 21(1): 8-15. DOI: 10.3969/j.issn.2096-3424.21017
Citation: ZHU Menghui, LU Dazhi, LIANG Fei, ZHANG Huaijin. Growth and Properties of Yb3+-Doped Strontium Tungstate Crystal[J]. Journal of Technology, 2021, 21(1): 8-15. DOI: 10.3969/j.issn.2096-3424.21017

掺镱钨酸锶晶体的生长及其性能表征

Growth and Properties of Yb3+-Doped Strontium Tungstate Crystal

  • 摘要: 镱离子掺杂晶体材料是一类优秀的固体激光增益介质,已获得广泛应用。使用提拉法生长了不同镱离子掺杂浓度的钨酸锶(Yb∶SrWO4)晶体,通过X射线粉末衍射仪测定了其单晶结构,对粉末衍射数据精修得到了其晶胞参数。使用X射线荧光光谱法测定了晶体中镱离子的实际掺杂浓度,结果表明Yb∶SrWO4晶体中Yb3+离子存在掺杂上限,随着Yb3+离子掺杂浓度增加,晶体中主要的电荷补偿机制变为基质阳离子空位。同时,Yb∶SrWO4晶体的比热、热膨胀系数、热导率与纯钨酸锶(SrWO4)晶体相比无明显变化,在钨酸盐系列晶体中热学性能优良。上述结果表明Yb∶SrWO4晶体是一种具有一定应用潜力的固体激光增益介质。

     

    Abstract: Ytterbium doped crystal is a kind of excellent solid-state laser gain medium, which has been widely used. In this work, Yb∶SrWO4 crystals with different doping concentrations were grown by Czochralski method. The crystal structure was characterized by X-ray powder diffraction, and the cell parameters were obtained by analyzing the powder diffraction data. The actual doping concentration of Yb3+ in Yb∶SrWO4 crystal was investigated by X-ray fluorescence spectrometry, whose results show that there is an upper doping limit for the Yb3+ ions and the main charge compensation mechanism in the crystal changes with the increase of Yb3+ doping concentration. The thermal properties of Yb∶SrWO4 crystal with different doping concentrations were measured, whose results show that the specific heat, thermal expansion coefficient and thermal conductivity changed slightly compared with the undoped SrWO4 crystals, exhibiting excellent thermal properties. These results indicate that Yb∶SrWO4 crystal is a potential solid laser gain medium.

     

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