Direct observation of negative refraction at the millimeter-wave regime by using a flat composite metamaterial
JOSA B, Vol. 26, Issue 9, pp. 1688-1692 (2009)
http://dx.doi.org/10.1364/JOSAB.26.001688
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Abstract
We studied the transmission characteristics of a one-dimensional metamaterial slab operating at the millimeter-wave regime. The double-negative nature was proven by using a normal incidence transmission study. A split-ring resonator based metamaterial flat lens with five layers at the propagation direction was constructed and illuminated with oblique incidence. From the scanning experiments, the shifting of the beam to the negative side was observed. The experimental results are in agreement with the Drude–Lorentz model based simulations. Two-dimensional field maps that were obtained from these simulations demonstrated negative refraction, negative phase velocity, and the reflected beam properties at
© 2009 Optical Society of America
OCIS Codes
(160.4670) Materials : Optical materials
(260.5740) Physical optics : Resonance
(160.3918) Materials : Metamaterials
ToC Category:
Metamaterials
History
Original Manuscript: January 9, 2009
Revised Manuscript: June 2, 2009
Manuscript Accepted: July 19, 2009
Published: August 14, 2009
Citation
Kamil Boratay Alici and Ekmel Ozbay, "Direct observation of negative refraction at the millimeter-wave regime by using a flat composite metamaterial," J. Opt. Soc. Am. B 26, 1688-1692 (2009)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-26-9-1688
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