Design of a broadband frequency selective surface for X band application

The loop types such as the three- and four-legged loaded unit cells, the circular loops, and the square loops and the hexagonal loops are widely used to design the frequency selective surface (FSS) for a number of applications. Correlation analysis and evaluation of them are investigated in previous...

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Bibliographic Details
Published in2016 Progress in Electromagnetic Research Symposium (PIERS) p. 3333
Main Authors Qingxin Guo, Guizhen Lu, Zengrui Li
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.08.2016
Subjects
Bandwidth
Broadband communication
Frequency selective surfaces
Gratings
Passband
Resonant frequency
Substrates
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Summary:The loop types such as the three- and four-legged loaded unit cells, the circular loops, and the square loops and the hexagonal loops are widely used to design the frequency selective surface (FSS) for a number of applications. Correlation analysis and evaluation of them are investigated in previous works. In this work, we try to use another loop, namely triangular loop, for designing the FSS. A multi layer FSS, which comprises three layers of periodic triangular loop and two layers of substrate with a dielectric constant of 2.2, for X band application is designed and discussed. Consideration is given to the unit cell dimensions and spacing and substrate thickness for plane wave incident angles, and parameter is studied for the width of all triangular loops. The operating mechanism of the FSS is explained with equivalent circuit (EC) model.
DOI:10.1109/PIERS.2016.7735301