超薄自主可控多波段反射偏振旋转器

IF 4.8 2区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC
Abdulrahman Mohammed Alnour Ahmed;Ahmed Abdelmottaleb Omar
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引用次数: 0

摘要

受频率选择表面(FSS)设计的启发,本文提出了一种新颖而简单的多波段反射偏振旋转器(RPRs)设计方法,实现了独立可控的工作波段和紧凑的单元电池。其主要概念包括控制环路谐振器的电流分布,将线极化入射波在反射后转换为交叉极化波。RPR由两个介电基板隔开的三个金属层组成,顶层为方形环路,中间层为通过过孔连接的折叠条形线。多波段操作可以通过在顶层增加额外的环路来实现,每个环路控制自己的频带。作为概念验证,设计了双频RPR,在顶层使用两个方形环路,工作在[2.02至2.26]GHz和[4.12至4.48]GHz范围内。该设计通过增加第三个环路扩展到三频段,工作频率分别为[1.54至1.7]GHz、[3.35至3.7]GHz和[5.1至5.45]GHz。详细讨论了电流分布分析,并给出了实验证明。通过样机测量验证了仿真结果,与实验数据吻合较好。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Ultrathin Independently Controllable Multiband Reflective Polarization Rotator
Inspired by frequency-selective surface (FSS) design, this letter presents a novel and simple design methodology for multiband reflective polarization rotators (RPRs), enabling independently controllable operating bands, and a compact unit cell. The main concept involves manipulating the current distribution of a loop resonator to convert linearly polarized incident waves into cross-polarized waves upon reflection. The RPR consists of three metal layers separated by two dielectric substrates, featuring a square loop on the top layer and a folded strip line in the middle layer connected by vias. Multiband operation can be achieved by adding extra loops to the top layer, with each loop controlling its own frequency band. As a proof of concept, a dual-band RPR was designed using two square loops on the top layer operating in the [2.02 to 2.26] GHz and [4.12 to 4.48] GHz ranges. The design was extended to a tri-band by adding a third loop, operating at [1.54 to 1.7] GHz, [3.35 to 3.7] GHz, and [5.1 to 5.45] GHz. Thorough discussions of current distribution analysis, and experimental demonstrations are provided. The simulated results are validated through prototype measurements, showing good agreement with experimental data.
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来源期刊
CiteScore
8.00
自引率
9.50%
发文量
529
审稿时长
1.0 months
期刊介绍: IEEE Antennas and Wireless Propagation Letters (AWP Letters) is devoted to the rapid electronic publication of short manuscripts in the technical areas of Antennas and Wireless Propagation. These are areas of competence for the IEEE Antennas and Propagation Society (AP-S). AWPL aims to be one of the "fastest" journals among IEEE publications. This means that for papers that are eventually accepted, it is intended that an author may expect his or her paper to appear in IEEE Xplore, on average, around two months after submission.
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