检偏器[1](analyzer)是由偏振片所组合而成的,通常一道自然光通过后改变其偏振态,变成椭圆或圆偏振。
如果光被偏极化,可用另一个偏极片试验出来。[2]此一偏振片依其功能,称为检偏器。
在偏振光通过此检偏器时旋转检偏器,可以改变透射光的功率密度,借此判断是否得到了所需要的偏振光。
参见
参考文献
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