At present,polarization prism with high performance is mainly made by Iceland crystal,which is a kind of natural uniaxial crystal,namely the calcite crystal with achromatic color, transparency and purity.
目前,制作高性能偏光棱镜的最主要的原材料是冰洲石晶体。
参考来源 - 基于单轴晶体负折射现象的新型偏光器件的研制·2,447,543篇论文数据，部分数据来源于NoteExpress
The sample was made of FK-2 glass and iceland crystal, between which either glycerine or organic silica gel could be used for gluing.
该棱镜可用甘油或有机硅胶将FK-2玻璃与冰洲石晶体胶合而成。
In order to save the rare Iceland crystal and increase the transmittance of polarizing prism, a polarizing prism made of Iceland crystal and glass was designed.
为了既节省稀有昂贵的冰洲石晶体材料，又尽量提高偏光棱镜的透射比，设计了一种冰洲石晶体与光学玻璃组合的方法。
Several centuries underwater have rendered the Alderney crystal opaque, but Dr Ropars and his team are now examining it, and believe it may be Iceland SPAR.
在海底经历了数百年之后，这些奥尔德尼晶体变成不透明物了，但是Ropars博士和他的团队正在对这些晶体进行测试，并坚信它们也许就是冰洲石。
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