Phys. Rev. E 72, 016623 (2005) [9 pages]Achieving transparency with plasmonic and metamaterial coatingsSee Also: Erratum Received 12 February 2005; published 26 July 2005 The possibility of using plasmonic and metamaterial covers to drastically reduce the total scattering cross section of spherical and cylindrical objects is discussed. While it is intuitively expected that increasing the physical size of an object may lead to an increase in its overall scattering cross section, here we see how a proper design of these lossless metamaterial covers near their plasma resonance may induce a dramatic drop in the scattering cross section, making these objects nearly “invisible” or “transparent” to an outside observer—a phenomenon with obvious applications for low-observability and noninvasive probe design. Physical insights into this phenomenon and some numerical results are provided. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevE.72.016623
DOI:
10.1103/PhysRevE.72.016623
PACS:
42.70.−a, 42.79.−e, 42.50.Gy, 33.20.Fb
See AlsoErratum: Andrea Alù and Nader Engheta, Erratum: Achieving transparency with plasmonic and metamaterial coatings [Phys. Rev. E, 72, 016623 (2005)], Phys. Rev. E 73, 019906 (2006). |
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