干涉仪中部分偏振光干涉的理论分析

Theoertical Analyses of the Partially palarization Light Interference in Interferometer

在干涉仪中,光的偏振态是不可忽视的。本文在干涉仪的物理模型基础上,推导了两束偏振光干涉的强度公式、一束偏振光与一束部分偏振光干涉的强度公式,以及两束部分偏振光干涉的强度公式。分析了光的偏振态对干涉条纹对比度的影响。讨论了在干涉义中提高干涉条纹对比度的方法。

The polarization of light is not negligible in the interferometers. The interference intensity of two-beam palarization light, the interference intensity of a palarization light and a partially palarization light and the interference intensity of two-beam partially palarization light had been derived. The effect of the palarization light to the visbility of the interference fringes had been analysed. The means of enhaning the visibility of the interference fringes in the interferometers had been discussed.