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Fast roll-off and sensitivity of a transparency window with dual magnetic resonant modes from a split double-ring metamaterial |
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| Authors: | Zheng-Gao Dong Hui LiuTao Li Ming-Xiang XuWei-Bing Lu Shi-Ning Zhu |
| Institution: | a Physics Department, Southeast University, Nanjing 211189, People''s Republic of China b National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, People''s Republic of China c School of Information Science and Engineering, Southeast University, Nanjing 210096, People''s Republic of China |
| Abstract: | Dual magnetic resonant modes at neighboring frequencies are induced in a split double-ring metamaterial, which contribute to a transparency window within a broad stopband. This resonance-based window exhibits a favorable filtering performance due to its fast roll-off characteristic, and a considerable sensitivity to refractive index changes of the surrounding medium. |
| Keywords: | Metamaterial Magnetic resonance Transparency Filter |
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