基于迈克尔逊干涉的金属线胀系数测量装置  

Measuring Device of Metal Linear Expansion Coefficient Based on Michelson Interferometer

作　　者：亢鲁宁 刘娜 李金星 刘继兵 Kang Luning;Liu Na;Li Jinxing;Liu Jibing(College of Physics and Electronic Science,Hubei Normal University,Huangshi,China)

机构地区：[1]湖北师范大学物理与电子科学学院,湖北黄石

出　　处：《科学技术创新》2024年第11期68-71,共4页Scientific and Technological Innovation

基　　金：湖北师范大学课程思政教学改革研究重点项目(项目编号:KCSZY202110);湖北省教学研究项目(项目编号:2020606和2023390);教育部产学合作协同育人项目(项目编号:202101346007)。

摘　　要：我们设计了一种基于迈克尔逊干涉的金属线胀系数测量装置。此装置中金属棒长度的微小变化可通过干涉条纹的吞吐直观观察,可操作性强,更重要的是大大提高了金属线胀系数测量的精确度,有利于增强学生对物理实验的学习兴趣,培养学生的创新能力。We design a new experimental instrument based on the Michelson interferometer and the metal linear expansion coefficient measuring device.The instrument can visualize the small change process of metal rod length through the movement of the interference stripes.It has strong operability,and more importantly,it greatly improves the accuracy of measurement of metal linear expansion coefficient,which is conducive to enhancing students'learning interest in physics experiment and cultivating students'innovation ability.

关 键 词：迈克尔逊干涉仪 金属线胀系数 光的干涉 

分 类 号：O433[机械工程—光学工程]