= Terahertz metamaterial
{wiki=Terahertz_metamaterial}
Terahertz metamaterial refers to a class of artificially engineered materials designed to manipulate electromagnetic waves in the terahertz frequency range, which spans approximately from 0.1 to 10 THz (about 300 GHz to 30 THz). Metamaterials are structured materials with properties that are not typically found in nature, achieved by designing their internal structures at scales comparable to the wavelength of the electromagnetic waves they interact with.
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