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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 6 — Mar. 16, 2009
  • pp: 4360–4366

Magnetically tunable left handed metamaterials by liquid crystal orientation

Fuli Zhang, Lei Kang, Qian Zhao, Ji Zhou, Xiaopeng Zhao, and Didier Lippens  »View Author Affiliations


Optics Express, Vol. 17, Issue 6, pp. 4360-4366 (2009)
http://dx.doi.org/10.1364/OE.17.004360


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Abstract

The tunability of an omega–type left handed metamaterial was demonstrated at microwave frequencies via the magnetic control of liquid crystal (LC) orientation. From the experimental and simulation results, it is shown that the left handed pass-band can be tuned by 220 MHz by changing the orientation of LC molecules by 90°. A maximum index variation of 0.25 was obtained in the negative index regime with a measured LC birefringence of 0.05 in the 10 - 12GHz frequency band.

© 2009 Optical Society of America

OCIS Codes
(050.5080) Diffraction and gratings : Phase shift
(160.1190) Materials : Anisotropic optical materials
(160.3710) Materials : Liquid crystals
(160.3918) Materials : Metamaterials

ToC Category:
Metamaterials

History
Original Manuscript: October 13, 2008
Revised Manuscript: November 13, 2008
Manuscript Accepted: November 15, 2008
Published: March 4, 2009

Citation
Fuli Zhang, Lei Kang, Qian Zhao, Ji Zhou, Xiaopeng Zhao, and Didier Lippens, "Magnetically tunable left handed metamaterials by liquid crystal orientation," Opt. Express 17, 4360-4366 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-6-4360


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