By changing the polarization configuration of the beam and the incident angles,then the color and the brightness of the reflected and transmitted light spot will vary accordingly,Malus law,Fresnel law and Brewster law could be demonstrated.

• 通过缓慢改变光束的偏振结构及其与入射透明介质的夹角；使反射与透射光斑颜色及明暗发生变化；演示了马吕斯定律、菲涅耳关系和布儒斯特定律等光的偏振性质.