Perfect-absorber metamaterial based on flower-shaped structure |
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| Authors: | PV Tuong VD Lam JW Park EH Choi SA Nikitov YP Lee |
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| Institution: | 1. Department of Physics and Quantum Photonic Science Research Center, Hanyang University, Seoul 133-791, Republic of Korea;2. Institute of Material Science, Vietnamese Academy of Science and Technology, Hanoi, Viet Nam;3. Kwangwoon University, Seoul, Republic of Korea;4. Institute of Radioengineering and Electronics, Russia Academy of Sciences, Moscow, Russia |
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| Abstract: | We theoretically and experimetally investigated the narrow-band peak of perfect absorber (PA), which was realized with a metal–dielectric–metal scheme based on a flower-shaped structure (FSS). The PA slabs were designed and fabricated to work in the GHz range of electromagnetic radiation. The absorption is due to the magnetic influence and therefore, the resonance frequency can be easily controlled without affecting the efficiency of the absorption peak by changing the dimensional parameters of the FSS. In addition, the FSS also results in polarization independence of electromagnetic waves, as expected due to its geometry. |
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