Dual Circularly Polarized All-Metal Orbital Angular Momentum Beam Reflectarray Antenna

2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/URSI) Pub Date : 2022-07-10 DOI:10.1109/AP-S/USNC-URSI47032.2022.9886105

Z. Ahmed, Awab Muhammad, Shafaq Kausar, M. Ihsan

引用次数: 0

Abstract

This paper presents an all-metal, dual-circularly polarized OAM beam reflectarray antenna operating at 30 GHz. A 15λ0×15λ0 OAM reflectarray having F/D ratio of 0.6 is designed to produce Bessel beam with mode number, l = 1, and cone angle of 15°. The reflectarray consists of a low-loss square-shaped metallic unit cell independent of the polarization of the incident waves. The dual-circular polarization is achieved using a pyramidal feed horn antenna with a square septum polarizer. The feed offers polarization diversity by switching between the two input ports of the septum polarizer.

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双圆极化全金属轨道角动量波束反射天线

提出了一种工作频率为30ghz的全金属双圆极化OAM波束反射天线。设计了一种F/D比为0.6的15λ0×15λ0 OAM反射镜，用于产生模数为l = 1、锥角为15°的贝塞尔光束。反射镜由一个低损耗的方形金属单元组成，与入射波的偏振无关。双圆极化是使用带有方形隔极化器的锥形馈电喇叭天线实现的。通过在隔膜偏振器的两个输入端口之间切换，馈电提供偏振分集。

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

2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/URSI)

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