A dual‐band complementary frequency selective surface combining structures that provides narrow and wide stop‐band frequency responses

In this paper, we proposed a dual‐band complementary frequency selective surface (CFSS) with narrow stop band and large stop band. The proposed CFSS combines two simple geometries, the square loop with grid and the crossed dipole. The resonant frequencies are 2.53 and 5.38 GHz. The bandwidths of 280...

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Bibliographic Details
Published in:Microwave and optical technology letters 2023-12, Vol.65 (12), p.3107-3112
Main Authors: Lira, Ruann Victor de Andrade, da Silva, Bruno Sátiro, Campos, Antonio Luiz P. S., Gomes Neto, Alfredo
Format: Article
Language:English
Subjects:
Banded structure
Dipoles
Frequency selective surfaces
Resonant frequencies
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Summary:In this paper, we proposed a dual‐band complementary frequency selective surface (CFSS) with narrow stop band and large stop band. The proposed CFSS combines two simple geometries, the square loop with grid and the crossed dipole. The resonant frequencies are 2.53 and 5.38 GHz. The bandwidths of 280 MHz and 1.77 GHz were obtained, at –10 dB level, for the first and second bands, respectively. These frequencies and bands show that the structure can be applied in Wi‐Fi (2.4–2.5 GHz) and C‐band (4–6 GHz) frequencies. The simulated and measured results show that the chosen geometry has angular stability and polarization independence up to 45°. We can observe a good agreement between simulated and measured results.
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.33842