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A tunable terahertz response

The ability to tune the resonant frequency of a metamaterial in the terahertz region will help to overcome some of the limitations of customary designs demonstrated so far. The result could be a new breed of active, frequency-agile devices that are controlled by light.

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Mittleman, D. A tunable terahertz response. Nature Photon 2, 267–268 (2008).

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