A06B-6058-H228

A06B-6058-H228 

A06B-6058-H228圆偏振镜是由一块线偏振镜和一块四分之一波片组成的。四分之一波片是用一种各向异性介质做成的。光在这种介质中传播时，可以分解为两种光矢量相互垂直的线偏振光，一种称为寻常光线（Ordinary light，O光），另一种称为非常光线（Extra-ordinary light，E光）。这两种光在介质中的传播速度是不同的。当一束线偏振光以适当的方向（即偏振方向与O光、E光方向均成45度）射入这种介质中时，就能分解成强度相等的O光和E光在介质中传播（如下图，红色矢量表示入射偏振光方向，振动着的红点分别表示O光和E光方向）。

A06B-6058-H228 

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