| “动栅式”分光计的设计与实验研究 |
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| 引用本文： | 刘亮,熊永红,曾志杰,李莉君,范淑媛.“动栅式”分光计的设计与实验研究[J].物理实验,2011,31(12):4-7. |
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| 作者姓名： | 刘亮 熊永红 曾志杰 李莉君 范淑媛 |
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| 作者单位： | 华中科技大学物理学院,湖北武汉,430074 |
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| 基金项目： | 国家大学生创新性实验计划项目 |
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| 摘 要： | 采用逆向思维的方式,设计了"动栅式"分光计,观测了汞灯部分谱线的衍射图谱,推导出光源波长与光栅转角θ的关系,实验结果与数据模拟和汞灯标称谱线相吻合.
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| 关 键 词： | 分光计 衍射光栅 光程差 衍射图谱 |
Design and research of grating rotating mode spectrometers |
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| LIU Liang,XIONG Yong-hong,ZENG Zhi-jie,LI Li-jun,FAN Shu-yuan.Design and research of grating rotating mode spectrometers[J].Physics Experimentation,2011,31(12):4-7. |
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| Authors: | LIU Liang XIONG Yong-hong ZENG Zhi-jie LI Li-jun FAN Shu-yuan |
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| Institution: | LIU Liang,XIONG Yong-hong,ZENG Zhi-jie,LI Li-jun,FAN Shu-yuan(School of Physics,Huazhong University of Science and Technology,Wuhan 430074,China) |
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| Abstract: | A spectrometer with rotating grating was designed to observe the diffraction pattern,the relationship of wavelength versus grating rotation angle was deduced.The subsequent measurement results well fitted the standard spectrum of Hg lamp. |
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| Keywords: | spectrometer diffraction grating optical path difference diffraction pattern |
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