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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 8 — Apr. 13, 2009
  • pp: 6782–6789

Bi-anisotropy of multiple-layer fishnet negative-index metamaterials due to angled sidewalls

Zahyun Ku, Jingyu Zhang, and S. R. J. Brueck  »View Author Affiliations


Optics Express, Vol. 17, Issue 8, pp. 6782-6789 (2009)
http://dx.doi.org/10.1364/OE.17.006782


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Abstract

Simulation results of near infrared (100- to 200-THz) fishnet-structure negative-index metamaterials (NIMs) with single and multiple functional layers exhibit bi-anisotropy - inhomogeneous asymmetry - due to the presence of a sidewall-angle. The influence of sidewall-angle resulting from realistic fabrication processes is investigated through the retrieved effective parameters by both a three-dimensional finite-difference time-domain (FDTD) method and a rigorous coupled wave analysis (RCWA).

© 2009 Optical Society of America

OCIS Codes
(160.4670) Materials : Optical materials
(160.4760) Materials : Optical properties
(260.5740) Physical optics : Resonance
(310.6860) Thin films : Thin films, optical properties

ToC Category:
Metamaterials

History
Original Manuscript: January 30, 2009
Revised Manuscript: March 12, 2009
Manuscript Accepted: April 7, 2009
Published: April 9, 2009

Citation
Zahyun Ku, Jingyu Zhang, and S. R. J. Brueck, "Bi-anisotropy of multiple-layer fishnet negative-index metamaterials due to angled sidewalls," Opt. Express 17, 6782-6789 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-8-6782


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