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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Metamaterial anti-reflection lining for enhancing transmission of high-permittivity plate
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Metamaterial anti-reflection lining for enhancing transmission of high-permittivity plate

机译：超材料防反射衬里，用于增强高介电电阻板的传输

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摘要

In this letter, we propose the design of anti-reflection (AR) lining for enhancing transmission of high-permittivity dielectric (HPD) plate based on locally modified Fresnel law. By applying metamaterial unit cells on the air-dielectric interfaces, the fields are distorted locally in the HPD, leading to split and tilted wave-vectors in sub-wavelength scale. Due to the tilted wave-vectors, the reflection and refraction on the interface are locally modified without violating Snell's law, leading to reduced reflection and hence enhanced transmission according to Fresnel equations. As an example, we demonstrate two prototypes that enhance the transmission of a 3 mm thick alumina plate below and above the half-wavelength frequency. Both the simulation and measured results verify the good transmission enhancement performance in X and Ku bands. This work provides an effective alternative to the design of AR structures for especially HPD materials.
机译：在这封信中，我们提出了基于局部修饰的菲涅耳法的增强高介电常电介质（HPD）板的抗反射（AR）衬里的设计。 通过在空气介质界面上施加超材料单元电池，该场在HPD中局部扭曲，导致子波长尺度的分割和倾斜的波浪矢量。 由于倾斜的波浪矢量，界面上的反射和折射在局部修改而不违反Snell的定律，导致根据菲涅耳方程的反射和因此增强的传输。 作为示例，我们展示了两个原型，其增强了下方和高于半波长频率的3mm厚的氧化铝板的透射。 仿真和测量结果都验证了X和KU带中的良好传输增强性能。 这项工作提供了尤其是HPD材料的AR结构设计的有效替代方案。

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