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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: G. I. Stegeman
  • Vol. 23, Iss. 3 — Mar. 1, 2006
  • pp: 423–433

Negative refractive index in optics of metal–dielectric composites

Alexander V. Kildishev, Wenshan Cai, Uday K. Chettiar, Hsiao-Kuan Yuan, Andrey K. Sarychev, Vladimir P. Drachev, and Vladimir M. Shalaev  »View Author Affiliations

JOSA B, Vol. 23, Issue 3, pp. 423-433 (2006)

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Specially designed metal–dielectric composites can have a negative refractive index in the optical range. Specifically, it is shown that arrays of single and paired nanorods can provide such negative refraction. For pairs of metal rods, a negative refractive index has been observed at 1.5 μ m . The inverted structure of paired voids in metal films can also exhibit a negative refractive index. A similar effect can be accomplished with metal strips in which the refractive index can reach 2 . The refractive index retrieval procedure and the critical role of light phases in determining the refractive index are discussed.

© 2006 Optical Society of America

OCIS Codes
(160.4760) Materials : Optical properties
(260.5740) Physical optics : Resonance
(310.6860) Thin films : Thin films, optical properties

ToC Category:

Original Manuscript: September 13, 2005
Manuscript Accepted: September 22, 2005

Alexander V. Kildishev, Wenshan Cai, Uday K. Chettiar, Hsiao-Kuan Yuan, Andrey K. Sarychev, Vladimir P. Drachev, and Vladimir M. Shalaev, "Negative refractive index in optics of metal-dielectric composites," J. Opt. Soc. Am. B 23, 423-433 (2006)

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