| Nd∶NaR(WO_4)_2晶体生长(R=Bi,Y) |
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| 引用本文： | 李云辉,李文斐,朱忠丽,程红,刘景和.Nd∶NaR(WO_4)_2晶体生长(R=Bi,Y)[J].光学技术,2006(5). |
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| 作者姓名： | 李云辉 李文斐 朱忠丽 程红 刘景和 |
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| 作者单位： | 长春理工大学材料与化工学院 长春130022 |
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| 基金项目： | 吉林省科技厅科技发展计划资助项目(吉科20030326) |
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| 摘 要： | 采用提拉法生长出了掺钕钨酸铋钠Nd∶NaBi(WO4)2,简称Nd∶NBW]和掺钕钨酸钇钠Nd∶NaY(WO4)2,简称Nd∶NYW]晶体,并给出了制备无开裂优质Nd∶NBW和Nd∶NYW晶体的最佳生长工艺参数。从XRD分析得到Nd∶NBW和Nd∶NYW晶体的晶胞参数,并分析了晶体的拉曼光谱,认为二者结构基本相同,为四方晶系、白钨矿结构、I41/a空间群。由吸收光谱可以看出,Nd∶NBW在802nm有较强的吸收峰,Nd∶NYW在804nm、752nm、586nm附近有较强、较宽的吸收峰,二者均适合于LD泵浦;计算了晶体中Nd3+的吸收截面积。
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| 关 键 词： | Nd∶NBW晶体 Nd∶NYW晶体 提拉法 吸收光谱 |
The growth of Nd∶NaR(WO_4)_2 crystal by Czochralski method(R=Bi,Y) |
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| LI Yun-hui,LI Wen-fei,ZHU Zhong-li,CHENG Hong,LIU Jing-he.The growth of Nd∶NaR(WO_4)_2 crystal by Czochralski method(R=Bi,Y)[J].Optical Technique,2006(5). |
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| Authors: | LI Yun-hui LI Wen-fei ZHU Zhong-li CHENG Hong LIU Jing-he |
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| Abstract: | Nd∶NBW and Nd∶NYW single crystal was grown by the Czochralski method.The optimum technical parameters for growing crack-free crystals were presented. The structure and the lattice parameters of crystal were analyzed by the X-ray diffraction.That the structure of them is identical: tetragonal scheelite-type I4-1/a space group was found.The absorption peaks of Nd∶NBW crystals at 802nm are better,the Nd∶NYW at 804nm、752nm、586nm are better and wider.They are propitious to LD pump.The absorption cross sections of Nd~(3+) were calculated. |
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| Keywords: | Nd∶NBW crystal Nd∶NYW crystal Czochralski method absorption spectrum |
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