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Single layer miniaturized ultra-thin FSS with five closely spaced bands

Published online by Cambridge University Press:  03 May 2019

Anupam Dey  and
Rajarshi Sanyal
Anupam Dey*
Affiliation:
Calcutta Institute of Technology, NH6, Banitabla, Uluberia, Howrah, West Bengal 711316, India
Rajarshi Sanyal
Affiliation:
MCKV Institute of engineering, 243, G T Road North, Liluah, Howrah, West Bengal 711204, India
*
Author for correspondence: Anupam Dey, E-mail: [email protected]
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Abstract

This Paper reveals a novel single layer five band frequency selective surface (FSS). Novelties of the proposed FSS lie in its five closely spaced stop bands at 2.4, 3.38, 4.82, 6.32, and 7.75 GHz as well as the reduced single layer structural thickness (0.0016 λ0) and the miniaturized unit cell size (0.0656 λ0) at lower resonant frequency as compared to the existing multiband FSS. The unit cell structure consists of six octagonal concentric interconnected loops. Adjacent loop interconnection technique reduces the cell size by more than 44%. Furthermore, arrow-shaped rings are also introduced on each corner of the outermost octagonal loop, and using this technique approximate 23% cell miniaturization can be achieved. In addition, the proposed FSS exhibits excellent angular stability.

Keywords

Octagonal interconnected loopsultrathin FSSfive bandsunit cell miniaturization
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 11 , Issue 8 , October 2019 , pp. 797 - 805
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2019 

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