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This paper presents the design, simulation, fabrication, and measurement of dual-directional polarization insensitive multiband metamaterial absorber (MMAbs). The MMAbs is designed at three resonating frequency in X-band. The structure of MMAbs consists of two-layers 0.8 mm-thick FR4 substrate with three concentric copper rings-shaped structures at different radius printed on the top and bottom surface...
This paper presents the design of dual band polarization insensitive metamaterial absorber at 9 GHz and 10 GHz. The unit cell of the metamaterial consists of four circular rings copper with copper lines printed on 0.8 mm thick FR4 substrate with dielectric constant of 4.6 and loss tangent of 0.019. The simulated result shows that the dual band metamaterial absorber achieves 97.00% and 97.77% for normal...
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