Experimental 3D Plasmonic Cloaking in Free Space

Details Experimental 3D Plasmonic Cloaking in Free Space Experimental 3D Plasmonic Cloaking in Free Space

2011-07-19

arxiv.org/abs/1107.3740v1

Physics

Condensed Matter

Materials Science

4 pages, 4 figures, submitted to PRL

Scientific paper

We report the first experimental verification of a metamaterial cloak for a 3D object in free space. We apply the plasmonic cloaking technique, based on scattering cancellation, to suppress microwave scattering from a finite dielectric cylinder. We verify that scattering suppression is obtained all around the object and for different incidence angles, validating our measurements with analytical results and full-wave simulations. Our experiment confirms that realistic and robust plasmonic metamaterial cloaks may be realized for elongated 3D objects at microwave frequencies.

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