| 透射式矩形相位光栅的衍射光谱分析 |
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| 引用本文： | 高华,周静,郑志远.透射式矩形相位光栅的衍射光谱分析[J].大学物理,2012,31(1):27-30. |
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| 作者姓名： | 高华 周静 郑志远 |
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| 作者单位： | 1. 中国地质大学(北京)材料科学与工程学院,北京,100083
2. 北京师范大学物理系,北京,100875 |
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| 基金项目： | 国家自然科学基金，中央高校科研业务费资助 |
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| 摘 要： | 提出了一种计算透射式矩形相位光栅衍射场的简便方法,计算并分析了透射式矩形相位光栅的衍射光谱,给出了相位光栅的衍射光谱与光栅材料的折射率、光栅厚度和入射波长的关系,得到了把衍射光能量集中到1级光谱的条件;并在相位光栅的应用方面作了探讨.
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| 关 键 词： | 相位光栅 衍射光谱 分光计 光偏转器 |
Study of diffraction spectrum of the transmission rectangle phase grating |
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| GAO Hua
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ZHOU Jing
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ZHENG Zhi-yuan.Study of diffraction spectrum of the transmission rectangle phase grating[J].College Physics,2012,31(1):27-30. |
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| Authors: | GAO Hua ZHOU Jing ZHENG Zhi-yuan |
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| Institution: | 1(1.School of Material Science and Technology,China University of Geosciences,Beijing 100083,China; 2.Department of Physics,Beijing Normal University,Beijing 100875,China) |
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| Abstract: | A simple method to calculate the diffraction field of the transmission rectangle phase grating is proposed.The diffraction spectrum of the transmission phase grating is analyzed.It is shown that the diffraction field of the transmission phase grating is closely related to the grating’s optical thickness and the incident wavelength.A condition under which the diffraction energy will move from zero order to the first order diffraction spectrum is obtained.The discussion on the passable applications of the grating is made. |
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| Keywords: | phase grating diffraction spectrum spectrometer light deflector |
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