Experimental verification of three-dimensional plasmonic cloaking in free-space

Details Experimental verification of three-dimensional plasmonic cloaking in free-space Experimental verification of three-dimensional plasmonic cloaking in free-space

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012njph...14a3054r&link_type=abstract

New Journal of Physics, Volume 14, Issue 1, pp. 013054 (2012).

Physics

1

Scientific paper

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

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