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Novel cut wires metamaterial exhibiting negative refractive index

机译:新型切线超材料表现出负折射率

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We present, design and analyze a novel planar Left-Handed (LH) metamaterial in the microwave region. This metamaterial is composed of only cut metallic wires and is used under normal-to-plane incidence. Using Finite Element Method (FEM) based simulations and microwave experiments, we have investigated the material properties of the structure. Simultaneous negative values are observed for the permittivity ε and permeability μ by the inversion method from the transmission and reflection responses. A negative index n is verified in a bulk prism engineered by stacking several layers of the metamaterial. Our work demonstrates the feasibility of a LH metamaterial composed of only cut wires.
机译:我们介绍,设计和分析微波区域中的新型平面左手(LH)超材料。这种超材料仅由切割的金属线组成,并在法向平面入射下使用。使用基于有限元方法(FEM)的模拟和微波实验,我们研究了结构的材料特性。通过透射和反射响应通过反演方法观察到介电常数ε和磁导率μ同时为负值。负折射率n在通过堆叠几层超材料而设计的体棱镜中得到验证。我们的工作证明了仅由切丝组成的LH超材料的可行性。

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