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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: G. I. Stegeman
  • Vol. 23, Iss. 3 — Mar. 1, 2006
  • pp: 415–418

Negative refraction through an impedance-matched left-handed metamaterial slab

Koray Aydin and Ekmel Ozbay  »View Author Affiliations


JOSA B, Vol. 23, Issue 3, pp. 415-418 (2006)
http://dx.doi.org/10.1364/JOSAB.23.000415


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Abstract

We report the transmission and reflection characteristics of a two-dimensional (2D) left-handed metamaterial (LHM). A well-defined left-handed (LH) transmission band with a peak value of 9.9 dB is obtained at frequencies where both effective permittivity and permeability are negative. A very sharp dip ( 38 dB ) at the reflection spectrum due to impedance matching at the surface of a 2D LHM is observed. Gaussian beam shifting experiments are performed to study the LH properties of a LHM structure. The structure has a negative refraction of electromagnetic waves in a certain frequency range. The negative refractive index values obtained for four different incident angles are in good agreement.

© 2006 Optical Society of America

OCIS Codes
(120.5700) Instrumentation, measurement, and metrology : Reflection
(120.5710) Instrumentation, measurement, and metrology : Refraction
(120.7000) Instrumentation, measurement, and metrology : Transmission
(260.2110) Physical optics : Electromagnetic optics

ToC Category:
Metamaterials

History
Original Manuscript: July 8, 2005
Revised Manuscript: September 15, 2005
Manuscript Accepted: September 22, 2005

Citation
Koray Aydin and Ekmel Ozbay, "Negative refraction through an impedance-matched left-handed metamaterial slab," J. Opt. Soc. Am. B 23, 415-418 (2006)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-23-3-415


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