Ho3+:La2CaB10O19 晶体生长和光谱性能

人工晶体学报 ›› 2010, Vol. 39 ›› Issue (5): 1099-1103.

Ho3+:La2CaB10O19 晶体生长和光谱性能

祖延雷;张建秀;傅佩珍;吴以成

中国科学院理化技术研究所北京人工晶体研究发展中心,中国科学院功能晶体与激光技术重点实验室,北京,100190;中国科学院研究生院,北京,100049;中国科学院理化技术研究所北京人工晶体研究发展中心,中国科学院功能晶体与激光技术重点实验室,北京,100190

出版日期:2010-10-15 发布日期:2021-01-20
基金资助:
the National Natural Science Foundation of China(50590402)

Growth and Spectral Properties of Ho3+:La2CaB10O19 Crystals

ZU Yan-lei;ZHANG Jian-xiu;FU Pei-zhen;WU Yi-cheng

Online:2010-10-15 Published:2021-01-20

摘要/Abstract

摘要： 采用顶部籽晶法生长Ho3+∶ La2CaB10O19晶体.测试了晶体的X射线衍射谱图以及晶体器件的摇摆曲线,半峰宽为21.6 arcsec,晶体结晶质量良好.在室温下测试了吸收光谱、发射光谱和荧光寿命.应用Judd-Ofelt理论评价了Ho3+∶ La2CaB10O19晶体的光谱性能.分别计算了Ho3+的唯象强度、谱线强度、辐射寿命、荧光分支比等参数.

关键词: Ho3+:La2CaB10O19晶体;晶体生长;光谱性能;顶部籽晶法

Abstract: Ho3+ doped La2CaB10O19 crystals have been grown by top-seeded solution growth (TSSG) method. The structure of the crystal was studied by X-ray powder diffraction (XRPD). The rocking curve measurement showed that the FWHM is 21.6 arcsec,indicating a high crystalline perfection. The absorption and fluorescence spectra were measured at room temperature. The Judd-Ofelt theory was applied to the evaluation of its spectral properties. The J-O parameters (Ωt,t=2,4,6), the radiative transition probabilities AJ,J', radiative lifetime τ, fluorescence branch ratios βJ and the value of integrated emission cross section were also been calculated.

Key words: Ho3+ doped La2CaB10O19 crystals have been grown by top-seeded solution growth (TSSG) method. The structure of the crystal was studied by X-ray powder diffraction (XRPD). The rocking curve measurement showed that the FWHM is 21.6 arcsec,indicating a high crystalline perfection. The absorption and fluorescence spectra were measured at room temperature. The Judd-Ofelt theory was applied to the evaluation of its spectral properties. The J-O parameters (Ωt,t=2,4,6), the radiative transition probabilities AJ,J', radiative lifetime τ, fluorescence branch ratios βJ and the value of integrated emission cross section were also been calculated.

中图分类号:

祖延雷;张建秀;傅佩珍;吴以成. Ho3+:La2CaB10O19 晶体生长和光谱性能[J]. 人工晶体学报, 2010, 39(5): 1099-1103.

ZU Yan-lei;ZHANG Jian-xiu;FU Pei-zhen;WU Yi-cheng. Growth and Spectral Properties of Ho3+:La2CaB10O19 Crystals[J]. Journal of Synthetic Crystals, 2010, 39(5): 1099-1103.

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