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用于L波段应用的基于2.5维曲折分裂环单元的频率选择表面小型化

Miniaturization of frequency selective surface by 2.5-dimensional meandered split ring cells for application in L-band.

作者信息

Khajevandi Amir, Oraizi Homayoon

机构信息

School of Electrical Engineering, Iran University of Science and Technology, Tehran, 1684613114, Iran.

出版信息

Sci Rep. 2023 Oct 31;13(1):18737. doi: 10.1038/s41598-023-46159-z.

DOI:10.1038/s41598-023-46159-z
PMID:37907546
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10618525/
Abstract

In this research article, A miniaturized hexagonal split-ring 2.5-dimensional (2.5-D) unit cell is proposed for frequency selective surface (FSS) applications. The 2.5-D FSS provides efficient usage of the available surfaces and optimum increased current paths by connecting its two sides through vias. The size of the FSS unit cell is [Formula: see text] at the resonance frequency of 1.25 GHz. The proposed FSS has good angle stability due to its small size. The effects of variation of FSS geometry parameters on transmission zero are investigated, namely, the control of bandwidth and roll-off of frequency response by these parameters is studied. An equivalent circuit is obtained for the proposed structure to predict its frequency response, which agrees very well with the results of full-wave simulations. A prototype model of the proposed FSS structure is designed, simulated, fabricated, and tested as proof of concept.

摘要

在这篇研究文章中，提出了一种用于频率选择表面（FSS）应用的小型化六边形裂环二维半（2.5-D）单元胞。该二维半FSS通过通孔连接其两侧，实现了可用表面的高效利用和最佳的电流路径增加。在1.25 GHz的谐振频率下，FSS单元胞的尺寸为[公式：见原文]。所提出的FSS由于其尺寸小而具有良好的角度稳定性。研究了FSS几何参数变化对传输零点的影响，即研究了这些参数对带宽和频率响应滚降的控制。得到了所提出结构的等效电路以预测其频率响应，该等效电路与全波模拟结果非常吻合。设计、模拟、制作并测试了所提出的FSS结构的原型模型作为概念验证。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/23ce/10618525/2e5a5d803e95/41598_2023_46159_Fig11_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/23ce/10618525/a7899db26f1b/41598_2023_46159_Fig1_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/23ce/10618525/092543691176/41598_2023_46159_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/23ce/10618525/0d09b18bc856/41598_2023_46159_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/23ce/10618525/25331ef3e7e0/41598_2023_46159_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/23ce/10618525/7a660891290c/41598_2023_46159_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/23ce/10618525/a678a3ba94a0/41598_2023_46159_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/23ce/10618525/be2b3896b775/41598_2023_46159_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/23ce/10618525/2e5a5d803e95/41598_2023_46159_Fig11_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/23ce/10618525/a7899db26f1b/41598_2023_46159_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/23ce/10618525/9a1faf8fbc3f/41598_2023_46159_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/23ce/10618525/cc9d25c4d018/41598_2023_46159_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/23ce/10618525/86c7a2a4e831/41598_2023_46159_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/23ce/10618525/092543691176/41598_2023_46159_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/23ce/10618525/0d09b18bc856/41598_2023_46159_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/23ce/10618525/25331ef3e7e0/41598_2023_46159_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/23ce/10618525/7a660891290c/41598_2023_46159_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/23ce/10618525/a678a3ba94a0/41598_2023_46159_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/23ce/10618525/be2b3896b775/41598_2023_46159_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/23ce/10618525/2e5a5d803e95/41598_2023_46159_Fig11_HTML.jpg

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