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Graphene enables an electrically-tunable plasmonic mid-infrared antenna array
Friday, March 29, 2013 5:26
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Researchers from Harvard University developed a graphene-based electrically-tunable plasmonic mid-infrared antenna array. They say this device can be useful for multi-analyte sensors, reconfigurable meta-surfaces and optoelectronics devices.
This is the first time nanoantennas can be tuned to the mid-infrared part of the electromagnetic spectrum by simply applying a voltage. This works because a graphene sheet, placed in the nanogap of a dipole antenna, acts as an electrically tunable nano-circuit element.
2013-03-29 05:17:20
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