Coding metamaterials, digital metamaterials and programmable metamaterials
作者： Tie Jun Cui , Mei Qing Qi , Xiang Wan , Jie Zhao , Qiang Cheng
DOI: 10.1038/LSA.2014.99
关键词:
摘要: Smart materials offering great freedom in manipulating electromagnetic radiation have been developed. This exciting new concept was realized by Tie Jun Cui and co-workers at the Southeast University, China, who developed digital metamaterials consisting of two kinds unit cells whose different phase responses allow them to act as ‘0’ ‘1’ bits. These can be judiciously arranged sequences enable controlled manipulation waves. is one-bit coding; higher-bit coding possible employing more cells. The researchers a metamaterial cell binary response biased diode. By using field-programmable gate array, they demonstrated that this programmed. Such are attractive for controlling beams antennas realizing other ‘smart’ metamaterials.
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