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用平面波展开法研究了二维圆柱形光子晶体的完全禁带与填充比、介电常数比之间的关系.研究发现,并非介电常数比越大,完全禁带宽度就越大,而是有一个峰值.
The relationship between the complete forbidden band and the filling ratio and dielectric constant ratio of two-dimensional cylindrical photonic crystal was studied by using the plane wave expansion method. It was found that the larger the forbidden band width, the larger the dielectric constant ratio There is a peak.