| 温梯法(Yb0.05Y0.95)3Al5O12晶体光谱和荧光特性研究 |
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| 引用本文： | 徐晓东,赵志伟,赵广军,邓佩珍,徐军. 温梯法(Yb0.05Y0.95)3Al5O12晶体光谱和荧光特性研究[J]. 量子电子学报, 2004, 21(1): 18-22 |
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| 作者姓名： | 徐晓东 赵志伟 赵广军 邓佩珍 徐军 |
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| 作者单位： | 中国科学院上海光学精密机械研究所,上海,201800;中国科学院上海光学精密机械研究所,上海,201800;中国科学院上海光学精密机械研究所,上海,201800;中国科学院上海光学精密机械研究所,上海,201800;中国科学院上海光学精密机械研究所,上海,201800 |
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| 基金项目： | 国家高技术研究发展计划(863)资助项目(2002AA311030) |
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| 摘 要： | 测量了温梯法生长的Yb:YAG晶体的吸收光谱、荧光光谱和荧光寿命,比较了氧化和还原气氛退火对其影响。晶体主吸收峰938 nm和967 nm处的吸收截面分别为0.74×10-20cm2和0.36×10-20cm2。通过光谱分析,没有发现Yb:YAG晶体中Yb2 离子的存在。发现晶体边缘位置处不同的紫外吸收。
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| 关 键 词： | 激光技术 Yb:YAG晶体 温梯法 光谱性质 荧光寿命 |
| 文章编号： | 1007-5461(2004)01-0018-05 |
| 收稿时间： | 2003-01-22 |
| 修稿时间： | 2003-01-22 |
Spectral and Luminescence Properties of (Yb0.05Y0.95)3Al5012 Crystal Grown by TGT |
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| XU Xiao-dong,ZHAO Zhi-wei,ZHAO Guang-jun,DENG Pei-zhen,XU Jun. Spectral and Luminescence Properties of (Yb0.05Y0.95)3Al5012 Crystal Grown by TGT[J]. Chinese Journal of Quantum Electronics, 2004, 21(1): 18-22 |
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| Authors: | XU Xiao-dong ZHAO Zhi-wei ZHAO Guang-jun DENG Pei-zhen XU Jun |
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| Abstract: | The absorption spectra, luminescence spectra and fluorescence lifetime of Yb:YAG crystal grown by TGT were measured and the effect of annealing at oxidation and reduction atmosphere was studied. The absorption cross sections of main spectra 938 nm and 967 nm are 0.74×10-20cm2 and 0.36×10-20cm2. Yb2+ ions were not found in the Yb:YAG crystal by analysis of spectra. Different UV absorption spectra near the fringe of as-grown crystal were found. |
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| Keywords: | laser techniques Yb:YAG crystal temperature gradient technique(TGT) absorp- tion properties fluorescence lifetime |
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