| 折射率周期变化的LiNbO3晶体的制备及其布喇格效应 |
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| 引用本文： | 洪静芬 许自然. 折射率周期变化的LiNbO3晶体的制备及其布喇格效应[J]. 光学学报, 1995, 15(6): 58-761 |
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| 作者姓名： | 洪静芬 许自然 |
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| 作者单位： | 南京大学物理系 |
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| 摘 要： | 提拉法生长掺有溶质的ＬｉＮｂＯ３晶体时，有意识地引入周期性生长层，制备了折射率沿生长方向周期变化的ＬｉＮｂＯ３晶体。测量和研究了晶体的双折射率和布喇格衍射。实验结果证实晶体中折射率变化周期与生长层周期相一致。
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| 关 键 词： | 晶体生长 双折射率 布喇格衍射 铌酸锂晶体 |
| 收稿时间： | 1994-04-23 |
Preparation of LiNbO_3 Crystal with Periodic Change of Refrective Index and Its Bragg Diffration Effect |
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| Hong Jingfen, Xu Ziran, Feng Bihua, Yang Ysongshen. Preparation of LiNbO_3 Crystal with Periodic Change of Refrective Index and Its Bragg Diffration Effect[J]. Acta Optica Sinica, 1995, 15(6): 58-761 |
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| Authors: | Hong Jingfen Xu Ziran Feng Bihua Yang Ysongshen |
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| Abstract: | The growth striations have been intentionally produced in Y-doped LiNbO3 crystals during Czoohralski growth. The LiNbO3 crystals with periodic change of refractive index have been prepared. Birefractive index and Bragg diffraction have been oboserved and measured in the crystals. Experimental results show that the correspondence relation between period of refractive index and period of growth layers has been demonstrated. |
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| Keywords: | lithium niobate crystal crystal growth birefractive index Bragg diffraction. |
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