A carbon nanotube patch antenna for polarization selective radiation performance

2018 1st IEEE International Conference on Knowledge Innovation and Invention (ICKII) Pub Date : 2018-07-01 DOI:10.1109/ICKII.2018.8569112

Y. Jia, Yixiang Chen, Houjun Jiang, Yang Le, Heping Lin

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Abstract

Carbon nanotube (CNT) has shown its huge significance in many applications. It was also applied to the patch antenna to evaluate the performance of the CNTs as a radio frequency radiator, This paper first presented a comparison between a conventional copper patch antenna and an epoxy-CNT composite antenna with the same dimension. Then the striped epoxy-CNT antenna was proposed to investigate the radiation pattern selective performance. The results showed that the epoxy-CNT composite layer added on the patch antenna shifted the resonant frequency with 150 MHz. The orientation of the CNT strip was found to have a unique polarization sensitivity behavior effects on the radiation pattern of the patch antenna. Optimal radio performance was observed when the strips were located in parallel with the E-plane of the patch antenna. When the CNT was located orthogonally to the E-plane of the patch antenna, a reduction of total gain of 8dB was observed in the boresight. This finding will be studied further, and it may have potential applications to the polarization-selective radio frequency system, such as the GNSS-R system.

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一种具有极化选择辐射性能的碳纳米管贴片天线

碳纳米管(CNT)在许多应用中显示出巨大的意义。并将其应用于贴片天线中，以评估CNTs作为射频辐射体的性能。本文首先对相同尺寸的传统铜贴片天线与环氧树脂-碳纳米管复合天线进行了比较。然后提出了条纹环氧碳纳米管天线来研究其辐射方向图选择性能。结果表明，在贴片天线上添加环氧树脂-碳纳米管复合层，使谐振频率发生150 MHz的偏移。碳纳米管的取向对贴片天线的辐射方向有独特的极化敏感性。当条带与贴片天线的e面平行时，其无线电性能最佳。当碳纳米管与贴片天线的e面垂直放置时，观察到内视镜的总增益降低了8dB。这一发现将被进一步研究，它可能有潜在的应用于极化选择性射频系统，如GNSS-R系统。

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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2018 1st IEEE International Conference on Knowledge Innovation and Invention (ICKII)

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