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中文摘要：
电磁波在折射率为零的特异材料中传播时具有相位不变、波长无穷大、出射波传播方向垂直于出射界面的特点.由正常材料与特异材料交替排列组合成的光子晶体存在零平均折射率带隙,且带隙不随晶格尺度、入射角度和偏振而变化.这一特性可用于设计新型全向滤波器.本文利用复合左右手传输线理论设计滤波器,得到实验加工参数.
英文摘要：
Electromagnetic wave would demonstrate some unusual electromagnetic properties such as the zero-phase shift,su-per-coupling and exported wave vertically to the interface,while it was propagating in zero-index metamaterials.Photonic crystals consisting of left-handed material and right-handed materials have a gap of zero average refractive index.The gap has no shift when the lattice constant varies at the same standard,and incident angle changed.This property can be used to design new type filter.In our paper we using composite left/right handed transmission lines to fabricate a filter,and get the fabricated parameters.
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