According to the Phinel formula, this article discusses all kinds of polarization of reflected light and refracted light摘要依据菲涅耳公式，讨论了自然光、线偏振光以不同的入射角入射时反射光和折射光的各种偏振状态。
Prism effect. A rainbow pattern appears on the refracted light caustics. The right picture is the same effect on the sph棱镜效果一个彩虹图案显现在折射光的焦散里。右图是教程一里的球出现同样的效果。