MULTIBAND FSS WITH FRACTAL CHARACTERISTIC BASED ON JERUSALEM CROSS GEOMETRY
Keywords:Frequency Selective Surface, Jerusalem Cross, Multiband Response, Fractal
This paper proposes a new device with modifications on the Jerusalem Cross (JC) geometry to provide a multiband Frequency Selective Surface (FSS). Fractal iterations are created by introducing concentric self-similar JC copies in the original unit cell. This modification results in new dipoles at the structure which allows for the appearance of new bands proportional to these diploles' lengths, while maintaining total unit cell size. Four iterations of the JC FSS are studied in this paper. Simulation results for the insertion loss (S21), surface current distribution and measurement results are presented.
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