| BaTiO3晶体中光束自陷的理论研究 |
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| 引用本文： | 王海宇,黄世华.BaTiO3晶体中光束自陷的理论研究[J].光学学报,1996,16(9):255-1258. |
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| 作者姓名： | 王海宇 黄世华 |
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| 作者单位： | 中国科学院长春物理所激发态物理开放实验室 |
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| 摘 要： | 对聚焦光束通过有一定外加电场ＢａＴｉＯ３晶体时的自陷现象进行了理论分析，发现在正切割晶体中观察空间孤子是不合适的，因仅利用了很微小的电光系数γ３３。对异型切割情况进行了讨论，给出了维持光束自陷的外加电场范围和实际观察的最佳角度。
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| 关 键 词： | 自陷 光折变弧子 晶体 碳酸钡 光折变 |
| 收稿时间： | 1995/7/22 |
Theoretical Study of Self Trapping of an Optical Beam in Crystal BaTiO 3 |
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| Wang Haiyu,Huang Shihua,Yu Jiaqi.Theoretical Study of Self Trapping of an Optical Beam in Crystal BaTiO 3[J].Acta Optica Sinica,1996,16(9):255-1258. |
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| Authors: | Wang Haiyu Huang Shihua Yu Jiaqi |
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| Abstract: | In this paper, self trapping of a focused optical beam through BaTiO 3 with some external field has been theoretically studied. We find that it is unsuitable for observation of the spatial solitons in conventional cut crystals, in which only the small electro optical coefficent γ 33 is useful. By invesgating self trapping in special cut crystals, the range of the external field for self trapping of the beam and the optimal angle have been given. |
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| Keywords: | self trapping photorefractive solitons BaTiO 3 |
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