2024-08-21
Multi-Band 3D Printed Frequency Selective Surface for RF Shielding Applications
By
Progress In Electromagnetics Research Letters, Vol. 122, 59-65, 2024
Abstract
This paper presents the design and development of 3D printed multi-band frequency selective surface (FSS) for RF shielding applications. The developed FSS significantly rejects the frequency at Wi-Fi, Wi-Max and ISM/WiMax bands. The FSS has been fabricated using a 3D printed ABS substrate and metalized with a copper paint as per design. Its unit cell consists of three independent sub-geometries in which two are mostly like a concentric square loop that encircles the third one, i.e., modified Jerusalem structure. All of these sub-geometries are individually designed for the different rejection bands where their combination is optimized as a unit cell of FSS. The designed unit cell rejects the Wi-Fi, Wi-Max and ISM/WiMax centered at 2.45 GHz, 3.5 GHz and 5.8 GHz with attenuation level more than 35dB. The developed FSS is a prototype of RF shielding structure to be utilized for the fabrication of an interference-free test chamber which isolates the Wi-Fi, Wi-Max and ISM/WiMax interference. The design of FSS is very simple and can be printed in large scale for the development of shielding applications.
Citation
Deepika Singh, Rana Pratap Yadav, and Hemdutt Joshi, "Multi-Band 3D Printed Frequency Selective Surface for RF Shielding Applications," Progress In Electromagnetics Research Letters, Vol. 122, 59-65, 2024.
doi:10.2528/PIERL24062701
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