Sentences with phrase «dielectric metamaterials»
«Metamaterials seem simple, but their physics is more complicated,» she says, explaining that she and her team focused on dielectric metamaterials, which are built of elements that don't conduct electricity.
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The tunable dielectric and magnetic properties of metamaterials could be used in stealth technologies to cloak an object from view.
Unlike metallic / dielectric hyperbolic metamaterials, hBN also provides the additional functionality of both types of hyperbolicity, allowing both the in - plane and out - of - plane crystal axes to behave metallic -(reflective) or dielectric - like (transparent) simply by changing the wavelength of the exciting light.
In a new paper, electrical engineers at Duke University demonstrate the first completely dielectric (non-metal) electromagnetic metamaterial — a surface dimpled with cylinders like the face of a Lego brick that is designed to absorb terahertz waves.