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‘Metascreen’ Forms Ultrathin Invisibility Cloak

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AUSTIN, Texas, March 26, 2013 — A new ultrathin Harry Potter-style invisibility cloak can hide three-dimensional objects from microwaves while in their natural environment, in all directions and from all of the observers’ positions. Most invisibility cloaks up to this point have been large, cumbersome contraptions. The University of Texas at Austin cloak, however, uses an ultrathin layer called a “metascreen” that was fabricated by attaching strips of 66-µm-thick copper tape to a 100-µm-thick, flexible polycarbonate film in a fishnet design. Experimental setup for the far-field...Read full article

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    Published: March 2013
    AmericasAndrea AluBasic ScienceImagingindustrialinvisibility cloakingmantle cloakingMaterials & ChemicalsmetamaterialsmetascreenmicrowavesOpticsResearch & TechnologyTexasUniversity of Texas at Austinvisible frequencieswave scattering

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