Fully Embedded Dual-Element Dielectric-Based Antenna for Sub- and Terahertz Applications

IF 3.5 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Open Journal of Antennas and Propagation Pub Date : 2024-04-23 DOI:10.1109/OJAP.2024.3392628

Ehsan Rahmati;Pascal Burasa;Elham Baladi;Mohammad S. Sharawi

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Abstract

A completely embedded, planar, dual-element dielectric based antenna directly fed by a substrate integrated insulated guide within the same layer in Sub-THz band is presented in this paper. A dielectric layer is employed to make the structure stable. The proposed structure is compatible with the standard planar millimeter-wave and terahertz manufacturing technologies. To minimize the reflection loss, matching air holes inside the guiding channel of the waveguide and air holes with a smaller perforation radius surrounding the antenna are created. The proposed compact antenna, which has been successfully tested, covers the frequency range of 234.5-278.1 GHz with a measured impedance bandwidth of 17.01%, a proper simulated average radiation efficiency of 93.6%, and a maximum gain as well as average gain of 16.08 dBi and 12.56 dBi from measurement results, respectively. Because of these features, the suggested antenna would be a great candidate for short-range wireless applications in Sub-THz frequency bands.

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用于次赫兹和太赫兹应用的全嵌入式双元件介质基天线

本文介绍了一种基于介质的完全嵌入式平面双元件天线，该天线由同层内的基底集成绝缘导轨直接馈电，适用于 Sub-THz 频段。为使结构稳定，采用了电介质层。所提出的结构与标准平面毫米波和太赫兹制造技术兼容。为了最大限度地降低反射损耗，在波导的导波通道内设置了匹配气孔，并在天线周围设置了穿孔半径较小的气孔。所提出的紧凑型天线已成功通过测试，其频率范围为 234.5-278.1 GHz，测量阻抗带宽为 17.01%，正确模拟的平均辐射效率为 93.6%，最大增益和平均增益分别为 16.08 dBi 和 12.56 dBi。由于这些特点，所建议的天线将成为 Sub-THz 频段短距离无线应用的理想选择。

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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来源期刊

IEEE Open Journal of Antennas and Propagation Multiple-

CiteScore

6.50

自引率

12.50%

发文量

审稿时长

8 weeks