| LiNbO3:Fe晶体中调制双光束耦合衍射效率的测定 |
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| 引用本文： | 许京军,刘思敏,武原庆,张光寅.LiNbO3:Fe晶体中调制双光束耦合衍射效率的测定[J].物理学报,1991,40(9):1443-1447. |
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| 作者姓名： | 许京军 刘思敏 武原庆 张光寅 |
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| 作者单位： | 南开大学物理系,天津,300071 |
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| 摘 要： | 通过对LiNbO3:Fe晶体中双光束耦合中的任一束光强进行低频调制,其衍射效率比无调制时提高两倍多(由30％提高到76％)。用运动光栅理论解释了这一实验结果。
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| 关 键 词： | LiNbO3：Fe 晶体 双光束耦合 调制 |
| 收稿时间： | 1990-05-28 |
IMPROVEMENT OF DIFFRACTION EFFICIENCY OF PHASE GRATING RECORDED IN Fe-LiNbO3 Crystal |
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| XU JING-JUN,LIU SI-MIN,WU YUAN-QING and ZHANG GUANG-YIN.IMPROVEMENT OF DIFFRACTION EFFICIENCY OF PHASE GRATING RECORDED IN Fe-LiNbO3 Crystal[J].Acta Physica Sinica,1991,40(9):1443-1447. |
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| Authors: | XU JING-JUN LIU SI-MIN WU YUAN-QING and ZHANG GUANG-YIN |
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| Abstract: | This paper presents the diffraction efficiency of two-wave mixing in Fe-LiNbO3 (up to-76%) through low frequency modulating one light beam, which is twice greater than the diffraction efficiency (30%) without modulation. Our theoretical analysis of moving grating is. used to explain the experimental results. |
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