| 利用双光栅Lau效应测量透镜焦距 |
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| 引用本文： | 王秋芬.利用双光栅Lau效应测量透镜焦距[J].物理实验,2004,24(6):13-15. |
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| 作者姓名： | 王秋芬 |
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| 作者单位： | 中国民航学院,理学院,天津,300300 |
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| 摘 要： | 根据计量光栅的特点，可以利用双光栅效应测量透镜焦距．本文简述了利用双光栅Lau效应测量透镜焦距的实验原理、实验装置及测量方法，并计算了测量结果的不确定度．
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| 关 键 词： | Lau效应 光栅周期 透镜焦距 条纹间距 |
| 文章编号： | 1005-4642(2004)06-0013-03 |
| 修稿时间： | 2003年10月20 |
Measurements of the focal distance of lens based on Lau effect in double grating |
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| WANG Qiu,fen.Measurements of the focal distance of lens based on Lau effect in double grating[J].Physics Experimentation,2004,24(6):13-15. |
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| Authors: | WANG Qiu fen |
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| Abstract: | Based on Lau effect in double grating, the focal distance of lens is measured. In this paper, the experiment principle, device and method are introduced. The uncertainty of results is given. |
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| Keywords: | Lau effect period of grating focal distance of lens fringes spacing |
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