Radiation pattern reconfigurable antenna using double layer tunable graphene superstrate

Zhen-long Zhang, Bian Wu
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引用次数: 1

Abstract

A novel radiation pattern reconfigurable antenna operating at Ka-band is presented based on tunable graphene superstrate. The superstrate consists of two symmetrical DC biased graphene-aluminia-silicon structures separated by a dielectric slab, which is placed half a wavelength far away from the top of the waveguide fed slot source, thus forms a Fabry-Parot resonant antenna with tunable radiation gain and beam width. The superstrate is analyzed by transfer matrix method and shows an adjustable transmission response with different surface resistivity of the graphene film. By tuning the graphene resistivity through biasing voltage between graphene layer and silicon layer, a Ka-band antenna with reconfigurable radiation gain and beam width is well designed and demonstrated.
基于双层可调谐石墨烯层的辐射方向图可重构天线
提出了一种基于可调谐石墨烯层的ka波段辐射方向图可重构天线。该层由两个对称的直流电偏置石墨烯-铝-硅结构组成,由一个介电板隔开,该介电板放置在距离波导馈电槽源顶部半波长远的地方,从而形成一个具有可调谐辐射增益和波束宽度的法布里-帕罗谐振天线。利用传递矩阵法对其进行分析,发现石墨烯薄膜在不同的表面电阻率下具有可调的传输响应。通过在石墨烯层和硅层之间偏置电压来调节石墨烯电阻率,设计并演示了具有可重构辐射增益和波束宽度的ka波段天线。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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