| 平行光路方向运动的光栅多普勒效应及其在测微小位移中的应用 |
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| 引用本文： | 张萌,焦文苑,於菪珉,潘永华,高惠滨,丁剑平.平行光路方向运动的光栅多普勒效应及其在测微小位移中的应用[J].物理实验,2010,30(2). |
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| 作者姓名： | 张萌 焦文苑 於菪珉 潘永华 高惠滨 丁剑平 |
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| 作者单位： | 南京大学,物理系,江苏,南京,210093 |
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| 基金项目： | 2009年南京大学"大学生创新计划"项目资助 |
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| 摘 要： | 研究了光栅平行光路运动时产生的光的多普勒效应,用实验进行了验证,并将该原理应用到对微小位移量的检测中. 对原理进行了拓展,得到光栅以任意角度运动产生光的频移的普适公式.
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| 关 键 词： | 光栅 平行运动 多普勒效应 微小位移 |
Doppler effect of moving grating and its application on tiny displacement measurement |
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| ZHANG Meng,JIAO Wen-yuan,YU Dang-min,PAN Yong-hua,GAO Hui-bin,DING Jian-ping.Doppler effect of moving grating and its application on tiny displacement measurement[J].Physics Experimentation,2010,30(2). |
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| Authors: | ZHANG Meng JIAO Wen-yuan YU Dang-min PAN Yong-hua GAO Hui-bin DING Jian-ping |
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| Institution: | ZHANG Meng,JIAO Wen-yuan,YU Dang-min,PAN Yong-hua,GAO Hui-bin,DING Jian-ping(Department of Physics,Nanjing University,Nanjing 210093,China) |
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| Abstract: | The phenomenon of Doppler effect is investigated using a grating moved parallel to a laser beam.This effect is applied on the measurement of tiny displacement.The theory of this effect is developed to explain the frequency shift of the laser for any moving direction of the grating. |
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| Keywords: | grating parallel movement Doppler effect tiny displacement |
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