| A Comparison between TGT and Cz Grown Nd：YAG |
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| 作者姓名： | Benxue JIANG Jun XU Hongjun LI Jingya WANG Guangjun ZHAO |
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| 作者单位： | [1]Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China [2]Graduate School of Chinese Academy of Sciences, Beijing 100039, China |
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| 摘 要： | Large sized neodymium-doped Y3Al5O12 （Nd：YAG） laser crystals have been grown by temperature gradient technique （TGT） method and compared with Czochralski （Cz） method. The comparison of these two crystal growth methods has been listed. The results showed that the TGT method has many advantages over the Cz method. The concentration distribution of Nd ions in the crystals was determined and the absorption spectra of these crystals have been investigated and compared. The TGT grown highly doped Nd：YAG crystal has a larger absorption FWHM than that of Cz grown Nd：YAG crysral. Highly doped Nd：YAG （～2.8 at. pct） crystals could be obtained by TGT.
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| 关 键 词： | Nd：YAG 钕 钇铝石榴石 柴氏长晶法 温度梯度法 频谱特性 |
| 收稿时间： | 2006-02-16 |
| 修稿时间： | 2006-03-27 |
A Comparison between TGT and Cz Grown Nd:YAG |
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| Benxue JIANG Jun XU Hongjun LI Jingya WANG Guangjun ZHAO.A Comparison between TGT and Cz Grown Nd:YAG[J].Journal of Materials Science & Technology,2006,22(5):581-583. |
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| Authors: | Benxue JIANG Jun XU Hongjun LI Jingya WANG Guangjun ZHAO |
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| Affiliation: | Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China; Graduate School of Chinese Academy of Sciences, Beijing 100039, China |
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| Abstract: | Large sized neodymium-doped Y3Al5O12(Nd:YAG)laser crystals have been grown by temperature gradient technique(TGT)method and compared with Czochralski(Cz)method. The comparison of these two crystal growth methods has been listed. The results showed that the TGT method has many advantages over the Cz method. The concentration distribution of Nd ions in the crystals was determined and the absorption spectra of these crystals have been investigated and compared. The TGT grown highly doped Nd:YAG crystal has a larger absorption FWHM than that of Cz grown Nd:YAG crysral. Highly doped Nd:YAG(～2.8 at. pct)crystals could be obtained by TGT. |
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| Keywords: | Nd:YAG Spectral properties Czochralski method TGT method Facet |
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