利用薄膜的这一特性可以消除光学系统中不想要的偏振效应以保持光的偏振状态，也可以用来制作薄膜位相延迟片。

This feature not only can be used to cancel unwanted polarization effects in optical system, but also can be used to fabricate phase retarder.

youdao

利用薄膜的这一特性可以消除光学系统中不想要的偏振效应以保持光的偏振状态，也可以用来制作薄膜位相延迟片。

This feature not only can be used to cancel unwanted polarization effects in optical system, but also can be used to fabricate phase retarder.

youdao