| LiNbO3：Fe晶体三维全息最佳曝光时间研究 |
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| 引用本文： | 鲍珊珊,周进,周惠君. LiNbO3：Fe晶体三维全息最佳曝光时间研究[J]. 物理与工程, 2011, 21(5): 33-35 |
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| 作者姓名： | 鲍珊珊 周进 周惠君 |
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| 作者单位： | 南京大学物理学院,江苏南京,210093 |
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| 摘 要： | 对LiNbO3：Fe晶体在三维体全息记录过程中出现的噪声逐渐放大，最终对记录图像产生影响的机制进行探究．通过实验对噪声光强度变化规律进行了定量研究，并运用光感应光散射与二波耦合的能量转移理论，解释了体全息记录中噪声光的产生和放大的机理，提出优化方案．
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| 关 键 词： | 三维体全息 光折变晶体 噪声栅 最佳曝光时间 |
STUDY ON THE OPTIMUM EXPOSURE OF THREE-DIMENSION HOLOGRAPHY IN LiNbO_3:Fe CRYSTAL |
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| Bao Shanshan,Zhou Jin,Zhou Huiiun. STUDY ON THE OPTIMUM EXPOSURE OF THREE-DIMENSION HOLOGRAPHY IN LiNbO_3:Fe CRYSTAL[J]. Physics and Engineering, 2011, 21(5): 33-35 |
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| Authors: | Bao Shanshan Zhou Jin Zhou Huiiun |
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| Affiliation: | Bao Shanshan Zhou Jin Zhou Huijun (Department of Physics,Nanjing University,Nanjing,Jiangsu 210093) |
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| Abstract: | The mechanism in the gradual amplification of the noise light which finally impacts the recorded information in three-dimension holography in LiNbO3:Fe crystal is examined.An experiment is designed to quantitatively study the character of the intensity variation of the noise light.Using the light induced scattering theory and energy transfer law in optical two-wave coupling,we explain the cause of the noise light and its amplification in 3D holographic recording and bring up the methods to improve the recor... |
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| Keywords: | three-dimension holography photorefractive crystals noise light grating the optimum exposure |
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