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Swept Under the Carpet Cloak

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BERKELEY, Calif., May 4, 2009 – While it may sound like magic, an invisibility cloak that hides objects from view has in fact been realized by researchers with Berkeley Lab and the University of California (UC) Berkeley. A team led by Xiang Zhang, a principal investigator with Berkeley Lab’s Materials Sciences Div. and director of UC Berkeley’s Nano-scale Science and Engineering Center, has created a “carpet cloak” from nanostructured silicon that conceals the presence of objects placed under it from optical detection. Xiang Zhang and his research group are making advances in...Read full article

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    Published: May 2009
    Glossary
    invisibility cloak
    An invisibility cloak is technology that would render an object or individual invisible to the observer. In scientific research, efforts to create real-life invisibility cloaks have been explored using principles of optics and metamaterials. Metamaterials are artificially engineered materials with properties not found in naturally occurring materials. By manipulating the interaction of light with metamaterials, it is theoretically possible to bend or redirect light around an object,...
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    Basic Energy Sciencesbeam of lightBerkeley LabBerkeley Labs Materials Sciences DivisionBerkeleys Nano-scale Science and Engineering Centercarpet cloakdielectric materialsfishnet of silver and magnesium fluorideGuy Bartalinvisibility cloakJason ValentineJensen Limetallic metamaterialsMicroscopynanostructured siliconnanowiresNews & Featuresoptical cloakoptical detectionOpticsphotonicsThomas ZentgrafUniversity of California BerkeleyUS Army Research OfficeUS DoEXiang Zhang

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