Abstract
The design of a frequency selective surface (FSS) screen constructed using a coupling configuration to implement a broadband microwave absorber is presented in this paper. The reflectivity representation recognizes the characterization of the absorber. Simulation and measurement results are presented and analyzed. A coupling FSS screen is introduced in order to obtain a better bandwidth and absorption. The bandwidth with the reflectivity below −10 dB could get 5.45–18 GHz, compared with the 6.28–18 GHz of the absorber with square patches FSS, provided that the thickness of the absorber is 4 mm.
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