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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 3 — Feb. 5, 2007
  • pp: 1076–1083

Optics InfoBase > Optics Express > Volume 15 > Issue 3 > Page 1076

A negative permeability material at red light

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


Optics Express, Vol. 15, Issue 3, pp. 1076-1083 (2007)
http://dx.doi.org/10.1364/OE.15.001076


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Abstract

A negative permeability in a periodic array of pairs of thin silver strips is demonstrated experimentally for two distinct samples. The effect of the strip surface roughness on negative permeability is evaluated. The first sample, Sample A, is fabricated of thinner strips with a root mean square roughness of 7 nm, while Sample B is made of thicker strips with 3-nm roughness. The real part of permeability, μ́, is -1 at a wavelength of 770 nm in Sample A and -1.7 at 725 nm in Sample B. Relative to prototypes simulated with ideal strips, larger strip roughness acts to decrease |μ́| by a factor of 7.8 in Sample A versus a factor of 2.4 decrease for Sample B.

© 2007 Optical Society of America

OCIS Codes
(160.4670) Materials : Optical materials
(260.5740) Physical optics : Resonance
(310.6860) Thin films : Thin films, optical properties

ToC Category:
Metamaterials

History
Original Manuscript: November 1, 2006
Revised Manuscript: December 31, 2006
Manuscript Accepted: January 2, 2007
Published: February 5, 2007

Citation
Hsiao-Kuan Yuan, Uday K. Chettiar, Wenshan Cai, Alexander V. Kildishev, Alexandra Boltasseva, Vladimir P. Drachev, and Vladimir M. Shalaev, "A negative permeability material at red light," Opt. Express 15, 1076-1083 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-3-1076


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