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We propose a simple and novel design of four-band terahertz perfect metamaterial absorber composed of a periodic arrangement of metallic #-shaped strip and a metallic background plane, separated by a dielectric polyimide spacer. Theoretical results show that the proposed absorber has four distinct absorption bands whose peaks are average over 99 %. Different from previous reports by combining the...
With the aim to design broadband microwave absorbers with optically transparent, flexible and stable performances in 8–18 GHz, a sandwich structure is designed and fabricated by sandwiching the periodic arrayed ITO film into two transparent and flexible polyvinyl chloride layers. With the induced metamaterial structure to tailor the effective input impedance, the proposed sandwich absorber can realize...
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