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Abstract
In this paper, a compact frequency selective surface (FSS) with low-pass and wideband high-stop response is presented. The FSS is composed of hexagon rings and placed in hexagon arrangement. At low frequencies below 2.0 GHz, the insertion loss is less than 0.9 dB. While in the stopband 8.0–18.0 GHz, the transmission is below dB. Moreover, the FSS has the merits of low profile (0.6 mm) and stable performance for various incident angles within 30 degrees and for different polarizations. Design procedure and measurement results of the FSS are presented and discussed.
Acknowledgments
This work was supported in part by the National Natural Science Foundation of China under Grants No. 61202339 and in partly by the Natural Science Foundation of Shaanxi Province of China under Grant No. 2012JQ8034.