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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 11 — May. 26, 2008
  • pp: 7674–7679

Disorder effects of left-handed metamaterials with unitary dendritic structure cell

X. Zhou, X. P. Zhao, and Y. Liu  »View Author Affiliations


Optics Express, Vol. 16, Issue 11, pp. 7674-7679 (2008)
http://dx.doi.org/10.1364/OE.16.007674


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Abstract

We demonstrate that the left-handed materials (LHMs) with unity dendritic unit cells arrayed in disorder state present still passband and negative refractive. The resonance behavior of LHMs in disturbed periodic lattice, quasi-periodic lattice and random array are experimentally investigated. Employing amended retrieval method, the LHMs with disordered state exhibits a negative index of refraction. Basing on such LHMs lens, the subwavelength imaging experiment give a clearly point image with a full wave at half maximum width of 0.4 λ at 9.3 GHz. Similarly, the power field distribution of “N” shaped antenna is measured beyond the diffraction limit.

© 2008 Optical Society of America

OCIS Codes
(160.4760) Materials : Optical properties
(260.2110) Physical optics : Electromagnetic optics
(260.5740) Physical optics : Resonance

ToC Category:
Metamaterials

History
Original Manuscript: March 20, 2008
Revised Manuscript: May 4, 2008
Manuscript Accepted: May 4, 2008
Published: May 12, 2008

Citation
X. Zhou, X. P. Zhao, and Y. Liu, "Disorder effects of left-handed metamaterials with unitary dendritic structure cell," Opt. Express 16, 7674-7679 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-11-7674


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