期刊
APPLIED PHYSICS LETTERS
卷 97, 期 5, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3477960
关键词
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资金
- National Basic Research Program of China [2004CB719800]
- National Nature Science Foundation of China [60990322, 60990320, 60671002, 60801001]
We demonstrate a controllable electromagnetic wave reflector/absorber for different polarizations with metamaterial involving electromagnetic resonant structures coupled with diodes. Through biasing at different voltages to turn ON and OFF the diodes, we are able to switch the structure between nearly total reflection and total absorption of a particularly polarized incident wave. By arranging orthogonally orientated resonant cells, the metamaterial can react to different polarized waves by selectively biasing the corresponding diodes. Both numerical simulations and microwave measurements have verified the performance. (C) 2010 American Institute of Physics. [doi:10.1063/1.3477960]
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