Cerium dioxide has high refractive index and dielectricconstant and ultraviolet absorption which may be useful for various optical and electronic applications.
二氧化铈具有高折射率、介电常数和紫外吸收率,因此它广泛地应用于各种光学和电子器件。
2
Photonic crystals is a new type of optical material whose dielectricconstant changes alternately following the coordinates of space.
光子晶体是一种介电常数不同的、其空间呈周期分布的新型光学材料。
3
Such optical resonators distribute randomly in the random medium and their amount and distributing characteristics depend on the strength of the dielectricconstant fluctuation.