产生多OAM模态的单馈椭圆天线

韩月月; 刘欢; 杜永兴; 李敏超; 李晨璐

doi:10.13873/J.1000-9787(2025)02-0100-04

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产生多OAM模态的单馈椭圆天线

设计与制造 | 更新时间：2025-09-11

- 产生多OAM模态的单馈椭圆天线
- 暂无标题
- 传感器与微系统 2025年第2期页码：100-103
- 作者机构：
  
  内蒙古科技大学信息工程学院
- 作者简介：
- 基金信息：
  
  内蒙古自然科学基金资助项目(2021MS06021);国家自然科学基金资助项目(61961033);内蒙古自治区研究生教育教学改革研究与实践项目(YJG20191012710);内蒙古自治区科技重大专项项目(2019ZD025)
- DOI：10.13873/J.1000-9787(2025)02-0100-04
  中图分类号： TN823
- 纸质出版：2025
- 稿件说明：
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韩月月, 刘欢, 杜永兴, 等. 产生多OAM模态的单馈椭圆天线[J]. 传感器与微系统, 2025,(2):100-103.
韩月月, 刘欢, 杜永兴, 等. 产生多OAM模态的单馈椭圆天线[J]. 传感器与微系统, 2025,(2):100-103. DOI： 10.13873/J.1000-9787(2025)02-0100-04.

DOI：

摘要

阵列天线可以有效地辐射涡旋电磁波，但该方法难以实时辐射多种模态，且其尺寸较大，馈电网络也非常复杂。涡旋天线的单贴片结构设计可以有效地简化馈电，减小天线尺寸。通过将不同模态的贴片集成到同一个介质板上，可以实现实时多模态传输。然而，目前贴片涡旋天线仍采用2个或2个以上的馈电点进行馈电，形成阵列后仍有庞大的馈电系统。本文提出了一种单点馈电的椭圆环形天线，并利用这种结构设计了8种模态的涡旋天线。天线的最大尺寸为8 mm。通过在微波暗室测试，证明了提出的椭圆天线成功地产生8种模态的涡旋电磁波。该结构的实现使得以不同模态贴片天线为阵元的涡旋阵列天线的设计更加容易。

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