| 用激光双光栅法测量微小位移的实验研究 |
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| 引用本文： | 杨静,陈晓花,潘晨.用激光双光栅法测量微小位移的实验研究[J].上饶师范学院学报,2012(3):42-48. |
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| 作者姓名： | 杨静 陈晓花 潘晨 |
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| 作者单位： | 上饶师院学院;武汉大学经济管理学院 |
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| 摘 要： | 本文介绍了激光双光栅法测量微小位移的原理及方法,研究了音叉频率、功率、振幅三者之间的关系,分析了音叉谐振曲线的规律性,讨论了改变音叉有效质量对谐振曲线影响。
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| 关 键 词： | 双光栅 谐振曲线 有效质量 多普勒频移 光拍 |
The Expreimental Study on Measuring Tiny Displacement with Double-grating Using Laser |
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| YANG Jing,CHEN Xiao-hua,PAN Chen.The Expreimental Study on Measuring Tiny Displacement with Double-grating Using Laser[J].Journal of Shangrao Normal College,2012(3):42-48. |
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| Authors: | YANG Jing CHEN Xiao-hua PAN Chen |
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| Institution: | 1.Shangrao Normal University,Shangrao Jiangxi 334001,China;2.Economy and Manage College,Wuhan University,Wuhan Hubei 430072,China) |
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| Abstract: | The paper intuoduces the principle and method to measuring tiny displacement with double-grating using laser,studies the relationship among frequency of tuning-fork,power and amplitude,analyzes the regularity of resonant curve of tuning-fork and discusses the influence to resonant curve by changing the effective mass of tuning fork. |
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| Keywords: | Double-grating resonant curve effective mass doppler effect light-beat |
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