二色向滤光片(Dichroic Filter)是一种光学元件,能够选择性地透过两种不同波长范围的光线,同时反射或阻挡其他波长范围的光线。二色向滤光片通常由多层光学膜组成,利用干涉和反射的原理,实现对特定波长范围的光线的选择性透过和反射。
Universal parameter:
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