| 光拍法测量光速实验中的声光调制 |
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| 引用本文： | 袁学德. 光拍法测量光速实验中的声光调制[J]. 大学物理实验, 2005, 18(1): 21-24 |
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| 作者姓名： | 袁学德 |
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| 作者单位： | 大连大学,大连,116622 |
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| 摘 要： | 通过简单的理论计算及与平面透射光栅的对比，阐述声光调制器的工作原理，并给出一幅比较清楚的物理图像，以加深学生对实验的理解和知识面的拓展。
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| 关 键 词： | 光拍 声光调制 衍射 位相光栅 |
| 文章编号： | 1007-2934(2005)01-0021-04 |
| 修稿时间： | 2004-10-19 |
PHOTOACOUSTIC MODULATION IN THE MEASUREMENT OF LIGHT SPEED BY PHOTO - BEAT METHOD |
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| Yuan Xuede. PHOTOACOUSTIC MODULATION IN THE MEASUREMENT OF LIGHT SPEED BY PHOTO - BEAT METHOD[J]. Physical Experiment of College, 2005, 18(1): 21-24 |
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| Authors: | Yuan Xuede |
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| Abstract: | The working principle of photo-acoustic modulation was described through a theoretical analysis and by the comparison with transmitting grating.A clearer physical picture was obtained for the process of the photo-beating.Therefore students can understand the experiment thoroughly,and their knowledge can be broadened extensively. |
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| Keywords: | photo-beat photoacoustic modulation diffraction phase grating |
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