研制新型快速高双折射率向列相液晶材料是解决这一问题的根本方案。
Hence the urgent need is to develop new nematic liquid crystal of fast response and high birefringence.
在光子晶体光纤中，人们利用空气和氧化硅之间的高折射率对比，可以得到很强的双折射。
One can obtain high birefringence due toa sharp index contrast between air and silica in photonic crystal fibers.
本发明提供一种透光性陶瓷，其具有高直线透射率及高折射率，且不仅没有实质性的双折射，而且反常色散性大。
A translucent ceramic that exhibits high linear transmittance and high refractive index, exhibiting substantially no birefringence, and that has high anomalous dispersion capability.
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