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Sm∶YCOB晶体生长及吸收光谱表征 被引量：3

Growth and Absorption Spectra of Sm-doped YCOB Crystals
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摘要 采用熔体提拉法生长了高质量Sm3+掺杂YCa4O(BO3)3(YCOB)晶体。通过X射线粉末衍射、高分辨X射线衍射摇摆曲线、ICP-AES、吸收光谱等对晶体的性能进行了研究。发现生长的Sm∶YCOB晶体与YCOB晶体具有相同的结构,结晶质量较好,半高宽可达31弧秒;5at%浓度掺杂时Sm3+在YCOB晶体中分凝系数为0.773;晶体在1400～1600 nm范围内有若干较强的吸收峰。 Sm-doped YCa4O(BO3)3(Sm∶ YCOB) single crystal with high quality were grown by Czochralski(Cz) method.The properties of crystal were characterized by X-ray powder diffraction,X-ray diffraction,ICP-AES,absorption spectra.The results showed that the as-grown crystal is isostructural with YCOB,and it is of high quality for the full width at half-maximum of XRD rocking curve is 31' ';the segregation coefficient of Sm3+ in this crystal is 0.773 with samarium concentration 5at%;the crystal has absorption peaks in the wavelength range from 1400 nm to 1600 nm.The results indicated that Sm∶ YCOB crystal could be used in OPCPA with strong idler absorption to improve the conversion efficiency.
作者 涂一帆 涂小牛 熊开南 郑燕青 高攀 施尔畏
机构地区 中国科学院上海硅酸盐研究所 中国科学院大学
出处 《人工晶体学报》 EI CAS CSCD 北大核心 2013年第5期810-814,共5页 Journal of Synthetic Crystals
基金 国家高技术研究发展计划(863计划)(2103AA031603)
关键词 Sm∶YCOB晶体 提拉法 吸收光谱 Sm∶ YCOB crystal Czochralski method absorption spectra
分类号 O77 [理学—晶体学]
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参考文献10

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人工晶体学报
2013年 第5期

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