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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 15 — Jul. 29, 2013
  • pp: 17492–17497

Reflection resonance switching in metamaterial twisted nematics cell

Y. U. Lee, E. Y. Choi, J. H. Woo, E. S. Kim, and J. W. Wu  »View Author Affiliations

Optics Express, Vol. 21, Issue 15, pp. 17492-17497 (2013)

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Electric switching of reflection resonances at near-IR spectral range is experimentally demonstrated in a reflective metamaterial twisted nematic liquid crystal cell. Reflective metamaterial composed of nano-sized double-split ring resonator aperture is fabricated by a focused ion beam milling. Two-fold rotational symmetry of double-split ring resonators allows for two orthogonal polarization-dependent reflection resonances in the reflective metamaterial. With an external voltage of 10V across 12μm cell gap, a full switching is achieved between two reflection resonances. Dynamic measurements show the time constants of switch-on and switch-off are in the order of 100ms and 10ms, respectively.

© 2013 OSA

OCIS Codes
(160.3710) Materials : Liquid crystals
(160.3918) Materials : Metamaterials

ToC Category:

Original Manuscript: May 16, 2013
Revised Manuscript: July 5, 2013
Manuscript Accepted: July 8, 2013
Published: July 15, 2013

Y. U. Lee, E. Y. Choi, J. H. Woo, E. S. Kim, and J. W. Wu, "Reflection resonance switching in metamaterial twisted nematics cell," Opt. Express 21, 17492-17497 (2013)

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