基于迈克尔逊干涉仪测金属线胀系数
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摘要
金属线胀系数的测量是大学物理实验中一个重要的实验项目,提出一种新的结合迈克尔逊干涉仪测量金属线胀系数的新方法。利用迈克尔逊干涉仪可以测量微小长度的特点,测定金属在环境温度变化时细微的伸长量,通过高速摄像机记录干涉条纹变化的个数,并且利用常用的视频编辑软件premiere对干涉条纹的变化进行了数字化的处理,避免了迈克尔逊干涉仪同心圆形环条纹数变化太快而引起的测量误差,大幅度提高了测量精度,是光学和热学实验的有机的结合。
Measurement of metal linear expansion coefficient is an important experiment in college physics experiment and a new method is proposed with the new Michelson interferometer. The change of metal length in environmental temperature is determined by using Michelson interferometer. The number of interference fringes recorded by using high speed camera is disposed by using of the premiere video editing software for digital processing,the error caused by the Michelson interferometer fringe number ring concentric circular is avoided and the measurement accuracy is improved in the existing conditions laboratory,so this advanced experiment is the organic combination of optical and thermal experiment.
Measurement of metal linear expansion coefficient is an important experiment in college physics experiment and a new method is proposed with the new Michelson interferometer. The change of metal length in environmental temperature is determined by using Michelson interferometer. The number of interference fringes recorded by using high speed camera is disposed by using of the premiere video editing software for digital processing,the error caused by the Michelson interferometer fringe number ring concentric circular is avoided and the measurement accuracy is improved in the existing conditions laboratory,so this advanced experiment is the organic combination of optical and thermal experiment.
引文
[1]胡君辉,李丹,唐玉梅,等.光杠杆法测定金属线胀系数实验分析[J].大学物理实验,2010,23(1):30-32.
[2]花世群.光的干涉法测金属线胀系数[J].光学技术,2001,27(4):383-384.
[3]花世群.利用激光干涉测金属线胀系数[J].计量技术,2002(6):18-19.
[4]尹志勇,贾同福,汤洪志,等.用劈尖干涉测金属线胀系数[J].大学物理实验,2010,23(2):45-47.
[5]崔惜琳.利用光纤传感器测定金属的线胀系数[J].物理实验,2006,26(5):46-47.
[6]尹少英,杨幼桐,宋国利,等.霍尔传感器法测量金属线胀系数[J].大学物理实验,2012,25(2):20-22.
[7]郭颖,高培元.测量金属线胀系数实验改进[J].实验技术与管理,2012(2):50-51.
[8]安奎生,张娟,郭静杰.用组合测量方法测金属线胀系数[J].物理实验,2008(10):33-55.
[9]贾亚民,杨拴科,朱钧.基于强度补偿式光纤传感器测金属线胀系数[J].物理实验,2008(10):1-4.
[10]杨述武,赵立竹,沈国土.普通物理实验力学、热学部分[M].北京:高等教育出版社,2007.
[2]花世群.光的干涉法测金属线胀系数[J].光学技术,2001,27(4):383-384.
[3]花世群.利用激光干涉测金属线胀系数[J].计量技术,2002(6):18-19.
[4]尹志勇,贾同福,汤洪志,等.用劈尖干涉测金属线胀系数[J].大学物理实验,2010,23(2):45-47.
[5]崔惜琳.利用光纤传感器测定金属的线胀系数[J].物理实验,2006,26(5):46-47.
[6]尹少英,杨幼桐,宋国利,等.霍尔传感器法测量金属线胀系数[J].大学物理实验,2012,25(2):20-22.
[7]郭颖,高培元.测量金属线胀系数实验改进[J].实验技术与管理,2012(2):50-51.
[8]安奎生,张娟,郭静杰.用组合测量方法测金属线胀系数[J].物理实验,2008(10):33-55.
[9]贾亚民,杨拴科,朱钧.基于强度补偿式光纤传感器测金属线胀系数[J].物理实验,2008(10):1-4.
[10]杨述武,赵立竹,沈国土.普通物理实验力学、热学部分[M].北京:高等教育出版社,2007.