noun
crossed Nichol prism
Abbreviation of クロスニコルプリズム. Technical term in optics, referring to a pair of Nichol prisms arranged with their polarization axes crossed to block light transmission.
偏光顕微鏡では、クロスニコルの状態で試料を観察する。
In a polarizing microscope, the sample is observed under crossed Nichol prisms.
クロスニコルにすると視野が暗くなる。
When set to crossed Nichol prisms, the field of view becomes dark.