| 利用激光杠杆测定杨氏弹性模量 |
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| 引用本文： | 胡成华,周平. 利用激光杠杆测定杨氏弹性模量[J]. 大学物理, 2006, 25(3): 44-45,54 |
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| 作者姓名： | 胡成华 周平 |
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| 作者单位： | 重庆交通学院,基础部,重庆,400074 |
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| 摘 要： | 将半导体激光器做成激光杠杆,用于拉伸法测定杨氏弹性模量的实验,可以简化实验装置,并提高微小伸长量的放大倍数.
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| 关 键 词： | 激光 激光杠杆 杨氏模量 |
| 文章编号： | 1000-0712（2006）03-0044-02 |
| 收稿时间： | 2005-05-11 |
| 修稿时间： | 2005-05-11 |
Measuring Young''''s modulus by laser lever |
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| HU Cheng-hua,ZHOU Ping. Measuring Young''''s modulus by laser lever[J]. College Physics, 2006, 25(3): 44-45,54 |
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| Authors: | HU Cheng-hua ZHOU Ping |
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| Affiliation: | Physical Staff Room, Chongqing Jiaotong University, Chongqing 400074, China |
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| Abstract: | If the semiconductor laser is made as laser lever,it can be applied to the experiment of measuring Young's modulus by the pulling method. This can simplify the installation of experiment,and raise the amplification index of the stretched mini-amount |
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| Keywords: | laser laser lever Young's modulus |
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