| The two photorefractive centres in iron doped nearly stoichiometric lithium niobate crystals |
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| 引用本文： | 李晓春,孔勇发,王利忠,刘宏德. The two photorefractive centres in iron doped nearly stoichiometric lithium niobate crystals[J]. 中国物理 B, 2008, 17(3): 1014-1019 |
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| 作者姓名： | 李晓春 孔勇发 王利忠 刘宏德 |
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| 作者单位： | Department of Physics, College of Science,TaiyuanUniversity of Technology, Taiyuan 030024, China；The Key Laboratory of Advanced Technique and Fabricationfor Weak-Light Nonlinear Photonics Materials, Ministry ofEducation,Nankai University, Tianjin;The Key Laboratory of Advanced Technique and Fabricationfor Weak-Light Nonlinear Photonics Materials, Ministry ofEducation,Nankai University, Tianjin 300457, China;The Key Laboratory of Advanced Technique and Fabricationfor Weak-Light Nonlinear Photonics Materials, Ministry ofEducation,Nankai University, Tianjin 300457, China;The Key Laboratory of Advanced Technique and Fabricationfor Weak-Light Nonlinear Photonics Materials, Ministry ofEducation,Nankai University, Tianjin 300457, China |
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| 基金项目： | Project supported by the researchfunding via Program for Changjiang Scholars of China and InnovativeResearch Team in University, China and the National Natural ScienceFoundation of China (Grant No 60578019) and Program for ChangjiangScholars and Innovative Research Team in University. |
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| 摘 要： | This paper investigates the photorefractive properties of iron doped lithium niobate with different [Li]/[Nb] ratios The experimental results show two photorefractive centres for iron doped near-stoichiometric lithium niobate crystal Besides Fe^2＋ and Fe^3＋ ions, small polarons and bipolarons are considered as another photoactive centre.
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| 关 键 词： | 铌酸锂晶体 光折射效应 光学 反射原理 |
| 收稿时间： | 2007-06-14 |
| 修稿时间： | 2007-07-03 |
The two photorefractive centres in iron doped nearly stoichiometric lithium niobate crystals |
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| Li Xiao-Chun,Kong Yong-F,Wang Li-Zhong and Liu Hong-De. The two photorefractive centres in iron doped nearly stoichiometric lithium niobate crystals[J]. Chinese Physics B, 2008, 17(3): 1014-1019 |
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| Authors: | Li Xiao-Chun Kong Yong-F Wang Li-Zhong Liu Hong-De |
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| Affiliation: | Department of Physics, College of Science,TaiyuanUniversity of Technology, Taiyuan 030024, China；The Key Laboratory of Advanced Technique and Fabricationfor Weak-Light Nonlinear Photonics Materials, Ministry ofEducation,Nankai University, Tianjin; The Key Laboratory of Advanced Technique and Fabricationfor Weak-Light Nonlinear Photonics Materials, Ministry ofEducation,Nankai University, Tianjin 300457, China |
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| Abstract: | This paper investigates the photorefractive properties of iron dopedlithium niobate with different [Li]/[Nb] ratios. The experimentalresults show two photorefractive centres for iron dopednear-stoichiometric lithium niobate crystal. Besides Fe$^{2 + }$ andFe$^{3 + }$ ions, small polarons and bipolarons are considered asanother photoactive centre. |
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| Keywords: | lithium niobate crystal photorefractive effect stoichiometric |
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