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Wideband negative-permittivity and negative-permeability metamaterials utilizing non-foster elements
Wideband negative-permittivity and negative-permeability metamaterials utilizing non-foster elements
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机译:利用非福斯特元素的宽带负介电常数和负磁导率超材料
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摘要
A metamaterial simultaneously exhibiting a relative effective permeability and a relative effective permittivity below unity over a wide bandwidth, including: one of a two-dimensional and a three-dimensional arrangement of unit cells, wherein each of the unit cells has a magnetic dipole moment and an electric dipole moment that are dependent upon one or more of an incident magnetic field and an incident electric field; and a coupling mechanism operable for coupling one or more of the incident magnetic field and the incident electric field to one or more devices. Optionally, the coupling mechanism includes one or more of a split ring and a pair of parallel plates coupled by one of a rod and a wire. The one or more devices are non-Foster elements.
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