摘要
分析了菲涅耳双镜在干涉实验中 ,由金属受热膨胀引起的光源位置变化对干涉条纹的影响 ,导出金属受热时绝对伸长量与干涉条纹位置变化之间的关系 ,并通过它对黄铜棒的线膨胀系数进行测量。
In the Fresnel bimirror experiment, the change of interference fringes caused by the displacement of light source due to the expansion of the heated metal is analyzed. The relation between the absolute extension of the heated metal and the displacement of interference fringes be determined and it can calculate yellow copper's linear expansion coefficient.
出处
《光学技术》
CAS
CSCD
2002年第3期280-281,共2页
Optical Technique
