| Scx:Fey:Cuz:LN晶体的生长及非挥发性全息存储的研究 |
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| 引用本文： | 刘兴,冷雪松,于晓艳.Scx:Fey:Cuz:LN晶体的生长及非挥发性全息存储的研究[J].人工晶体学报,2009,38(2):367-371. |
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| 作者姓名： | 刘兴 冷雪松 于晓艳 |
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| 作者单位： | 黑龙江科技学院材料学院,哈尔滨,150027;哈尔滨工业大学材料学院,哈尔滨,150001;哈尔滨师范大学物理系,哈尔滨,150080 |
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| 摘 要： | 本文首次采用Czochralski法生长优质的Scx:Fey:Cuz:LN (x=0,1;, 2;, 3;, 3.5;, y=0.1;, z=0.06;)晶体.测试了晶体抗光致散射能力,以二波耦合光路测试晶体的衍射效率、写入时间和擦除时间,计算光折变灵敏度和动态范围.结果表明:Sc(2mol;):Fe:Cu:LN和Sc(3mol;):Fe:Cu:LN晶体抗光致散射能力比Fe:Cu:LN晶体高两个数量级以上,Scx:Fey:Cuz:LN晶体的写入速度、光折变灵敏度和动态范围等全息存储性能优于Fe:LN晶体.首次采用氪离子激光(482.0 nm,蓝光)作开关光,氦氖激光(632.8 nm,红光)做记录光,以Sc:Fe:Cu:LN晶体作为双光子全息存储记录介质,实现了双光子全息存储固定(非挥发性全息存储).
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| 关 键 词： | Scx:Fey:Cuz:LN晶体 双光子全息存储 衍射效率 动态范围 光折变灵敏度 |
Study on Growth and Nonvolatile HolographicStoragy of Sc_x:Fe_y:Cu_z:LN Crystals |
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| LIU Xing,LENG Xue-song,YU Xiao-yan.Study on Growth and Nonvolatile HolographicStoragy of Sc_x:Fe_y:Cu_z:LN Crystals[J].Journal of Synthetic Crystals,2009,38(2):367-371. |
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| Authors: | LIU Xing LENG Xue-song YU Xiao-yan |
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| Institution: | 1.School of Materials Science and Engineering;Heilongjiang Institute of Science and Technology;Harbin 150027;China;2.School of Materials Science and Engineering;Harbin Institute of Technology;Harbin 150001;3.Department of Physics;Harbin Normal University;Harbin 150080;China |
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| Abstract: | In this paper,high quality Scx:Fey:Cuz:LN (x=0,1%, 2%, 3%, 3.5%, y=0, 1%, z=0.06%) crystals were grown by Czochralski method. The ability to scattering resistance were measured. The diffraction efficiency, writing time and erasure time of crystals were measured by two wave coupling photo-path, and the photorefractive sensitivity and dynamic range were calculated.The results showed that the ability to scattering resistance of Sc(2mol%):Fe:Cu:LN and Sc(3 mol%):Fe:Cu:LN crystals are two orders of magnitude hig... |
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| Keywords: | Scx:Fey:Cuz:LN crystals two photon holographic storage diffraction efficiency dynamic range photorefractive sensitivity |
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