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U.S. government scientists say they've built a device that can manipulate terahertz radiation
The terahertz, or THz, range of the frequency spectrum lies between infrared and microwave wavelengths. Devices generating and detecting THz radiation are in development but techniques to control the waves are lagging.
But Hou-Tong Chen and colleagues at the Los Alamos National Laboratory have demonstrated metamaterials -- objects with properties based on their structure instead of the materials they are composed of -- can be designed to efficiently control THz waves in real time.