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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 5 — Mar. 1, 2009
  • pp: 704–706

Polarization-independent negative-index metamaterial in the near infrared

C. Helgert, C. Menzel, C. Rockstuhl, E. Pshenay-Severin, E.-B. Kley, A. Chipouline, A. Tünnermann, F. Lederer, and T. Pertsch  »View Author Affiliations

Optics Letters, Vol. 34, Issue 5, pp. 704-706 (2009)

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We present and evaluate theoretically and experimentally a design for a negative-index metamaterial that is termed the “Swiss cross” structure. Compared with the established fishnet structure, the proposed design eliminates the drawback of polarization-dependent effective optical parameters. The new design is fabricated by means of e-beam technology and experimentally analyzed using spectroscopic techniques. The thorough comparison with numerical simulations reveals an effective refractive index of n = 1.9 at an operational wavelength of 1400 nm that is independent of the incident polarization. The resonances of the system are comprehensively discussed.

© 2009 Optical Society of America

OCIS Codes
(160.4760) Materials : Optical properties
(260.5740) Physical optics : Resonance
(160.3918) Materials : Metamaterials

ToC Category:

Original Manuscript: September 24, 2008
Revised Manuscript: January 14, 2009
Manuscript Accepted: January 31, 2009
Published: February 27, 2009

C. Helgert, C. Menzel, C. Rockstuhl, E. Pshenay-Severin, E.-B. Kley, A. Chipouline, A. Tünnermann, F. Lederer, and T. Pertsch, "Polarization-independent negative-index metamaterial in the near infrared," Opt. Lett. 34, 704-706 (2009)

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