迈氏干涉仪钠光条纹最小可见度法测量折射率

Measurement of Refractive Index Using Minimum Visibility of Sodium Light Fringes by Michelson Interferometer

介绍一种用迈克耳逊干涉仪测量平面平行透明物体折射率的新方法。本方法的优点是,仪器调节过程简单,测量快速.用本方法测量平面平行玻璃盖片的折射率,其结果与阿贝折射仪的测量结果相符.

This paper introduces a new method of measuring the refractive index of parallel-sided transparent material with a Michelson interferometer—the minimum visibility of sodium light fringes. This method has the advantage that the adjustment of the instruments is simpler and the measurement time is sorter. We have determined the refractive indax of a thin sheet of parallel-sided glass and its result is good in comparison with theresult obtained by Abbe refractometer.