千兆赫电磁波宽带柔性超材料吸收器的设计、仿真和实验验证

IF 1.4 4区 物理与天体物理 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY
AIP Advances Pub Date : 2024-09-05 DOI:10.1063/5.0229586
Ghada Fatima Zahra Mebarki, Naima Benmostefa, Mohammed Feham, Mohammed Ayad Alkhafaji, Serge Dzo Mawuefa Afenyiveh, Younes Menni
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引用次数: 0

摘要

本研究通过设计、模拟和实验验证千兆赫兹频率电磁波 (EMW) 的宽带柔性超材料吸收器 (MMA),解决了减轻电信和雷达系统中电磁干扰 (EMI) 的难题。电磁干扰至关重要,因为它会严重影响电子系统的性能和可靠性。传统的吸收器往往难以在宽广的频率范围内保持高性能,尤其是在不同的极化和入射角度下。为了解决这个问题,我们开发了一种新型 MMA,它采用简单的单层设计,可在 10 GHz 频率范围内实现宽带吸收。这种结构使用聚对苯二甲酸乙二醇酯介质层将螺旋线圈谐振器与底部铜层隔开,确保了对横向电波和横向磁波的极化不敏感性。利用数值模拟对设计参数进行了优化,重点是在目标频率范围和不同入射角下最大限度地提高吸收效率。为验证吸收器的性能,还进行了实验验证,结果显示与模拟结果非常吻合。这项研究强调了实验验证在验证 MMA 性能方面的重要性,并突出了其在吸收电磁波方面的实际应用潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Design, simulation, and experimental validation of a wideband flexible metamaterial absorber for gigahertz electromagnetic waves
This study addresses the challenge of mitigating electromagnetic interference (EMI) in telecommunications and radar systems by designing, simulating, and experimentally validating a wideband flexible metamaterial absorber (MMA) for gigahertz-frequency electromagnetic waves (EMWs). EMI is critical as it can severely impact the performance and reliability of electronic systems. Traditional absorbers often struggle to maintain high performance across a broad frequency range, especially under varying polarization and incidence angles. To address this issue, we developed a novel MMA with a simple, single-layer design optimized for wideband absorption over a 10 GHz frequency range. Constructed with a polyethylene terephthalate dielectric layer separating spiral coil resonators from a bottom copper layer, this configuration ensures polarization insensitivity for both transverse electric and transverse magnetic waves. Numerical simulations were used to optimize the design parameters, focusing on maximizing absorption efficiency across the targeted frequency range and varying incidence angles. Experimental validation was conducted to verify the absorber’s performance, with results showing excellent agreement with simulations. This research underscores the importance of experimental verification in validating the performance of MMAs and highlights their potential for real-world applications in absorbing EMWs.
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来源期刊
AIP Advances
AIP Advances NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
2.80
自引率
6.20%
发文量
1233
审稿时长
2-4 weeks
期刊介绍: AIP Advances is an open access journal publishing in all areas of physical sciences—applied, theoretical, and experimental. All published articles are freely available to read, download, and share. The journal prides itself on the belief that all good science is important and relevant. Our inclusive scope and publication standards make it an essential outlet for scientists in the physical sciences. AIP Advances is a community-based journal, with a fast production cycle. The quick publication process and open-access model allows us to quickly distribute new scientific concepts. Our Editors, assisted by peer review, determine whether a manuscript is technically correct and original. After publication, the readership evaluates whether a manuscript is timely, relevant, or significant.
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