| 平条纹面体光栅内部光场的分析 |
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| 引用本文： | 恽钢,于美文. 平条纹面体光栅内部光场的分析[J]. 北京理工大学学报, 1986, 0(2) |
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| 作者姓名： | 恽钢 于美文 |
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| 作者单位： | 北京工业学院工程光学系(恽钢)，北京工业学院工程光学系(于美文) |
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| 摘 要： | 本文从推广的二阶耦合波理论出发,对平条纹面光栅衍射这一物理过程进行分析。主要内容包括:1) 光栅内光场结构的分析,2) 模式与耦合的关系,3) 一种度量不同级光场之间耦合程度的方法,4) 布拉格条件与简并条件的关系,5) 级间能量传递过程的分析,以及 6) 边界参量对衍射的影响。
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| 关 键 词： | 平条纹面体光栅 体积光栅 二阶耦合波理论 布拉格条件 全息光栅 |
THE LIGHT FIELD IN A PLANAR GRATING |
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| Yun Gang Yu Meiwen. THE LIGHT FIELD IN A PLANAR GRATING[J]. Journal of Beijing Institute of Technology(Natural Science Edition), 1986, 0(2) |
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| Authors: | Yun Gang Yu Meiwen |
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| Affiliation: | Department of Optical Engineering |
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| Abstract: | The physical process of diffraction by planar gratings'is analysed,based on the generalized second-order coupled-wave theory. Chief items discussed include. 1) an analysis of the structure of the light field iu a planar gratiug, 2) the relation between modes and coupling, 3) a method of measuring the degree of coupling between different orders of light field, 4) the relation between the Bragg conditions and the degeneration conditions, 5) energy transference between differert orders of light field inside a grating and 6) the influence of boundary parameters of a grating on the diffraction process. |
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| Keywords: | planar grating volume grating second-order coupled-wave theory bragg conditon holographic grating. |
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