| 矩形光栅的衍射特性 |
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| 引用本文： | 王鹏,徐毓光,余勤跃,顾铮(天),赖芳良. 矩形光栅的衍射特性[J]. 光子学报, 1999, 28(5): 446-450 |
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| 作者姓名： | 王鹏 徐毓光 余勤跃 顾铮(天) 赖芳良 |
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| 作者单位： | 中国科学院上海光学精密机械研究所,上海,201800 |
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| 摘 要： | 本文采用严格的一阶耦合波理论,对矩形光栅的衍射特性进行了分析,给出了TE模和TM模同时具有很高的衍射效率时的光栅结构。计算表明:只有在满足Bragg衍射条件时,TE模和TM模才能达到峰值衍射效率。为了验证理论与编制程序的正确性,将计算结果与已有的资料进行了比较.
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| 关 键 词： | 光栅 耦合波理论 光栅周期 衍射效率 沟槽深度 |
| 收稿时间： | 1999-01-06 |
| 修稿时间： | 1999-01-06 |
DIFFRACTION CHARACTERISTICS OF RECTANGULAR SURFACE-RELIEF GRATING |
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| Wang Peng,Xu Yuguang,Yu Qinyue,Gu Zhengtian,Lai Fangliang. DIFFRACTION CHARACTERISTICS OF RECTANGULAR SURFACE-RELIEF GRATING[J]. Acta Photonica Sinica, 1999, 28(5): 446-450 |
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| Authors: | Wang Peng Xu Yuguang Yu Qinyue Gu Zhengtian Lai Fangliang |
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| Affiliation: | Shanghai Institute of Optics and Fine Mechanics, The Chinese Academy of Sciences, Shanghai 201800 |
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| Abstract: | The characteristics of rectangular surface relief grating are analyzed with rigorous one order coupled wave theory.The grating structures are pointed out when both TE mode and TM mode can achieve high diffraction efficiency.Calculation proved:TE mode and TM mode can achieve high diffraction efficiency only when Bragg diffraction occurs.In order to verify the theory and program,the calculated results are compared to the other experiment results in the reference. |
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| Keywords: | Grating Coupled wave theory Grating period Diffraction efficiency Groove depth |
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