| 平面光栅衍射的简易分析方法 |
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| 引用本文： | 汪新文,唐世清,赵年,戴志平,张登玉,游开明.平面光栅衍射的简易分析方法[J].衡阳师范学院学报,2012,33(3):59-60. |
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| 作者姓名： | 汪新文 唐世清 赵年 戴志平 张登玉 游开明 |
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| 作者单位： | 衡阳师范学院物理与电子信息科学系,湖南衡阳,421008 |
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| 基金项目： | 衡阳师范学院教改项目，湖南省“光电课程组”教学团队，教育部第一类特色专业，湖南省《光学》精品课程，湖南省“十二五”重点建设学科 |
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| 摘 要： | 平面光栅衍射是物理学专业《光学》课程和非物理学的理工科专业《大学物理》课程中的重要内容。该文利用＂等效光束＂的方法分析平面光栅衍射现象。此方法不仅可以非常简单地导出光屏上光强分布规律,而且便于教师和学生深刻地理解Fraunhofer单缝衍射对多光束干涉的调制作用。
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| 关 键 词： | 光栅衍射 分析方法 等效光束 |
A Simple Method for Analyzing Plane-grating Diffraction |
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| WANG Xin-wen,TANG Shi-qing,Zhao Nian,DAI Zhi-ping,ZHANG Deng-yu,YOU Kai-ming.A Simple Method for Analyzing Plane-grating Diffraction[J].journal of Hengyang Normal University,2012,33(3):59-60. |
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| Authors: | WANG Xin-wen TANG Shi-qing Zhao Nian DAI Zhi-ping ZHANG Deng-yu YOU Kai-ming |
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| Institution: | (Department of Physics and Electronic Information Science,Hengyang Normal University,Hengyang Hunan 421008,China) |
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| Abstract: | Plane-grating diffraction is an important part of the couses of Optics and College Physics,both of which are the required courses for the majors in physics and other science and engineering majors,respectively.This paper utilizes the idea of "equivalent beam" to analyze the phenomenon of plane-grating diffraction.Such a method can help us not only to simply obtain the distribution feature of the light intensity in a simple way,but also to better understand the modulation effect of the Fraunhofer single-slot diffraction on the multi-beam interference. |
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| Keywords: | grating diffraction analysis method equivalent beam |
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