Cited by 8,347

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Experimental Verification of a Negative Index of Refraction

Shelby, R. A., Smith, D. R., Schultz, S.·2001·Science

Abstract

We present experimental scattering data at microwave frequencies on a structured metamaterial that exhibits a frequency band where the effective index of refraction ( n ) is negative. The material consists of a two-dimensional array of repeated unit cells of copper strips and split ring resonators on interlocking strips of standard circuit board material. By measuring the scattering angle of the transmitted beam through a prism fabricated from this material, we determine the effective n , appropriate to Snell's law. These experiments directly confirm the predictions of Maxwell's equations that n is given by the negative square root of ɛ ·μ for the frequencies where both the permittivity ( ɛ ) and the permeability (μ) are negative. Configurations of geometrical optical designs are now possible that could not be realized by positive index materials.

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Crossref · 10.1126/science.1058847

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1 of 1 references verified0 citation errors · 0 not checkable

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  • The bianisotropy χ of natural materials such as optically active media containing chiral molecules is typically small, whereas a very large value can be obtained in metamaterial structures containing split-ring resonators.

    “While the bianisotropy χ of materials found in nature, such as optically active media containing chiral molecules, is typically small, a very large value can be obtained in metamaterial structures containing, for example, split-ring resonators (Pendry et al., 1999;Shelby, Smith, and Schultz, 2001;Marqués, Medina, and Rafii-El-Idrissi, 2002;Li, Aydin, and Ozbay, 2009).”

    From Topological photonics (2019) · cites this paper as Shelby, Smith, and Schultz, 2001

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Research works printed but not linked: 9

  1. 10.1070/PU1968v010n04ABEH003699 · DOI
  2. 10.1103/PhysRevLett.84.4184 · DOI · Paper page
  3. 10.1063/1.1343489 · DOI
  4. 10.1109/22.798002 · DOI · Paper page
  5. 10.1103/PhysRevLett.76.4773 · DOI
  6. 10.1103/PhysRevLett.85.2933 · DOI
  7. L. D. Landau E. M. Lifshitz L. P. Pitaevskii Electrodynamics of Continuous Media (Butterworth-Heinenann Oxford UK ed. 2 1984) p. 287. · DOI
  8. 10.1103/PhysRevB.62.10696 · DOI
  9. 10.1364/JOSAA.17.001012 · DOI

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Metadata

Authors
Shelby, R. A., Smith, D. R., & Schultz, S.
Affiliations
Department of Physics, University of California, San Diego, La Jolla, CA 92093–0350, USA.
Venue
Science
Published
2001-04-06
Volume
292
Issue
5514
Pages
77-79
ISSN
  • 0036-8075
  • 1095-9203
Cited by
8,347
References
1
Language
en

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