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News and Views
Nature Photonics 2, 267 - 268 (2008)
doi:10.1038/nphoton.2008.58
Metamaterials: A tunable terahertz response
Daniel Mittleman1
- Daniel Mittleman is in the Department of Electrical and Computer Engineering, Rice University, MS-366, 6100 Main Street, Houston, Texas 77005, USA.
e-mail: daniel@rice.edu
Abstract
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.
Metamaterials — engineered composite materials with unique optical properties — have become one of the hot topics of photonics research in the past few years. By cleverly designing and assembling an array of subwavelength metallic structures, it is possible to construct a composite material with optical properties that cannot be found in nature.
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