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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 2 — Jan. 17, 2011
  • pp: 1563–1568

Electrically controllable fishnet metamaterial based on nematic liquid crystal

Fuli Zhang, Weihong Zhang, Qian Zhao, Jingbo Sun, Kepeng Qiu, Ji Zhou, and Didier Lippens  »View Author Affiliations


Optics Express, Vol. 19, Issue 2, pp. 1563-1568 (2011)
http://dx.doi.org/10.1364/OE.19.001563


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Abstract

A variable index metamaterial is demonstrated by embedding nematic liquid crystal inside fishnet layers’ void at microwave frequencies. With an external electric field, the left handed passband can be reversibly shifted from 9.14 to 8.80 GHz, whereas the upper right handed passband is nearly unchanged. It is shown that during LC molecular reorientation, magnetic resonance is shifted to a lower frequency because of the permittivity increase between fishnet layers, leading to an effective index change of 1.1 within negative index regime.

© 2011 OSA

OCIS Codes
(160.1190) Materials : Anisotropic optical materials
(160.3710) Materials : Liquid crystals
(190.4400) Nonlinear optics : Nonlinear optics, materials
(160.3918) Materials : Metamaterials

ToC Category:
Metamaterials

History
Original Manuscript: November 17, 2010
Revised Manuscript: December 18, 2010
Manuscript Accepted: December 19, 2010
Published: January 13, 2011

Citation
Fuli Zhang, Weihong Zhang, Qian Zhao, Jingbo Sun, Kepeng Qiu, Ji Zhou, and Didier Lippens, "Electrically controllable fishnet metamaterial based on nematic liquid crystal," Opt. Express 19, 1563-1568 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-2-1563


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