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具有物联网应用的宽带能力的光学透明频率选择性表面:一个独立于偏振的双层设计

Omer Faruk Gunaydin^1,2, Sultan Can²

¹Robert Bosch GmbH, Bursa 16140, Turkey.

Sensors (Basel, Switzerland)

|July 27, 2024

概括

本研究介绍了用于物联网 (IoT) 应用的宽带频率选择性表面 (FSS). 独立于偏振的设计有效地抑制了关键的6GHz以下频段,提供了高光学透明度和成本效益.

科学领域:

电磁理论电磁理论
材料科学是一种材料科学.
无线通信工程无线通信工程

背景情况:

物联网 (IoT) 设备需要高效的射频 (RF) 过解决方案.
现有的频率选择面 (FSS) 往往缺乏偏振独立性和宽带性能,用于6GHz以下的应用.

研究的目的:

为6GHz以下的物联网应用提出和验证一种新的宽带,偏振独立的频率选择面 (FSS).
为了实现有效地抑制关键频段 (n77和n79),同时保持高光学透明度.

主要方法:

使用透明聚乙烯基基底的双层FSS结构的设计和模拟.
对TE和TM模式的不同入射和偏振角度 (0-60度) 的插入损失的分析.
通过比较3D全波模拟与测量和同等电路模型结果进行验证.

主要成果:

实现了从3.61GHz到5.0GHz的宽带停止特征 (1.39GHz带宽,32%的分数带宽).
在指定的角度和模式中表现出极好的极化独立性能.
报告的高光学传输值 (第1层为96.7%,第2层为95.7%,双层为92.4%),超过了现有的文献.

结论:

拟议的FSS设计非常适合于6GHz以下的物联网应用,因为它具有宽带,独立于偏振,具有成本效益和高透明度的特性.
该设计提供了强大的抑制能力和模拟和测量结果之间的良好一致性.
这项工作为不断增长的物联网生态系统提供了实用和高效的过解决方案.

关键词:

这是一个双层的双层.频率选择面的频率选择面.在光学上是透明的.极化不敏感不敏感智慧城市的智慧城市宽带宽带宽带宽带宽带

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