Abstract:To address the issues of narrow absorption bandwidth and low absorption rate in current high-frequency millimeter-wave absorbers, this paper proposes a graphene-based metamaterial broadband absorber. The absorber consists of a PET layer at the bottom, an ITO layer, a SiO2 layer, a surface graphene layer, and a patterned copper structure. Simulation results indicate that the proposed absorber achieves an absorption bandwidth of 101.3 GHz, with an absorption frequency range of 117.5 to 218.8 GHz, where the absor… Show more
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