Metasurfaces Applications in Antennas and Microwave Devices

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Electronic Materials".

Deadline for manuscript submissions: closed (31 July 2022) | Viewed by 5177

Special Issue Editors

School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an 710049, China
Interests: metamaterials theory and application; metasurfaces design using new functional materials and process; intelligent metasurfaces theory, design and applications using AI and reconfigurable technology; metasurfaces generating wave beams carrying OAM; metasurfaces applications in antennas and microwave devices.
Department of Information and Telecommunication Engineering, Xi'an Jiaotong University, Xi'an 710049, China
Interests: theoretical and computational electromagnetics with applications to antenna theory and design; antennas; frequency-selective surfaces; transmitarray; metamaterials

Special Issue Information

Dear Colleagues,

In the last few decades, metasurfaces have attracted a great deal of interest from researchers from the fields of physics and electromagnetic engineering. This concept has shown huge application potential in antennas and devices, from microwave band to terahertz waveband.

Metasurfaces have great capabilities for electromagnetic wave manipulation. They can control the polarization, amplitude, wavefront, frequency, etc., of the incident waves. These properties have been applied for beam steering antennas, multi-beam antennas, high gain antennas, low RCS antennas, vortex beam antennas, polarization reconfigurable antennas, intelligent reconfigurable surfaces (IRS) for wireless communications, compact devices, surface wave waveguides, filters, etc. Currently, novel ideas for multifunctional, high performance, low complexity or low-cost antennas/devices design are still emerging from new theories, phenomenon or design of metasurfaces. 

This Special Issue aims to highlight recent ideas regarding the theory or design of metasurfaces and their applications in electromagnetic engineering, especially in antennas and devices.

Dr. Hongyu Shi
Dr. Shah Nawaz Burokur
Dr. Jianjia Yi
Guest Editors

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Keywords

  • metamaterials
  • metasurfaces
  • antennas
  • microwave devices
  • intelligent reconfigurable surfaces (IRS)

Published Papers (2 papers)

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Research

12 pages, 7813 KiB  
Article
Dual-Band Circularly Polarized Hybrid Dielectric Resonator Antenna for 5G Millimeter-Wave Applications
by Run-Ze Huang, Jing-Wei Zhang and Cheng Zhang
Electronics 2022, 11(11), 1761; https://doi.org/10.3390/electronics11111761 - 01 Jun 2022
Cited by 5 | Viewed by 2122
Abstract
This paper proposes a dual-band circularly polarized (CP) rectangular dielectric resonator antenna (DRA) for 5G millimeter wave wireless communications. The proposed DRA consists of a novel modified cross-flower exciting (MCF) slot and a rectangular ceramic dielectric resonator (DR). With the help of the [...] Read more.
This paper proposes a dual-band circularly polarized (CP) rectangular dielectric resonator antenna (DRA) for 5G millimeter wave wireless communications. The proposed DRA consists of a novel modified cross-flower exciting (MCF) slot and a rectangular ceramic dielectric resonator (DR). With the help of the compact MCF feeding slot, the fundamental modes TEδ11x/TE1δ1y and higher-order modes TEδ13x/TE1δ3y of the DR can be excited to achieve CP dual-band characteristics. In addition, the MCF slot works as a radiator at 26 GHz and 39 GHz to enhance the DRA bandwidth. More importantly, these two operational bandwidths can be controlled independently at the lower and upper bands. The proposed DRA is designed, fabricated and measured. The measured results show that the proposed dual-band CP DRA achieves 3 dB axial-ratio (AR) bandwidths of 19.8% and 7.8% with peak gains of 5.62 dBic and 6.74 dBic for the lower and upper bands. Full article
(This article belongs to the Special Issue Metasurfaces Applications in Antennas and Microwave Devices)
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10 pages, 31943 KiB  
Article
Broadband-Transmissive, Frequency-Selective Rasorber Design Using Characteristic Mode Analysis
by Jie Xiong, Baoping Yang, Yanjie Wu, Xiongwei Zeng, Qiuyu Li, Rongxin Tang and Hai Lin
Electronics 2022, 11(9), 1418; https://doi.org/10.3390/electronics11091418 - 28 Apr 2022
Cited by 5 | Viewed by 2115
Abstract
This article designs a frequency-selective rasorber (FSR) with a broadband transmission window. It is synthesized by a broadband absorber and a frequency-selective surface (FSS). The resistive layer achieves broadband absorption by introducing a tortuous Jerusalem cross load with lumped resistors, and the lossless [...] Read more.
This article designs a frequency-selective rasorber (FSR) with a broadband transmission window. It is synthesized by a broadband absorber and a frequency-selective surface (FSS). The resistive layer achieves broadband absorption by introducing a tortuous Jerusalem cross load with lumped resistors, and the lossless FSS adopts a three-layer metal structure to realize the broadband transmission window. The absorption mechanism of the resistive layer is analyzed using the theory of characteristic mode. The position of the resistor is determined according to the analysis of mode current distribution and parameter optimization. Prototypes of the structure were fabricated and measured, and the simulation results show that the 1 dB transmission window and the absorption band with |S11|< −1 dB are 36.4% and 97%, respectively. Therefore, the designed FSR has potential application prospects in electromagnetic stealth technology and radar cross-section reduction. Full article
(This article belongs to the Special Issue Metasurfaces Applications in Antennas and Microwave Devices)
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