A Tri-band Second-order Frequency Selective Surface Designing and Analysis
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In this paper, inspired from the technique of patch–aperture–patch, a novel tri-band frequency selective surface with second-order band-pass response in each operation band is presented. The design is implemented by cascading a two-dimensional periodic array of three square loops and an array of wire grids. The proposed structure composed of three metal and two dielectric layers acts as a spatial dual band microwave filter with large band separation. The predicted FSS has the merits of broadband response, excellent stability for different incident angles, and sharp roll-off at X-, Ku- and K-band, respectively. The simulation and measurement are carried out and discussed. The measured results agree well with the simulated ones.
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2015 ◽
Vol 39
(3)
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pp. 331-336
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2012 ◽
Vol 33
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pp. 167-175
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2011 ◽
Vol 53
(7)
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pp. 1547-1553
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