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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: G. I. Stegeman
  • Vol. 23, Iss. 6 — Jun. 1, 2006
  • pp: 1174–1180

Bianisotropic response of microfabricated metamaterials in the terahertz region

Xin-long Xu, Bao-gang Quan, Chang-zhi Gu, and Li Wang  »View Author Affiliations


JOSA B, Vol. 23, Issue 6, pp. 1174-1180 (2006)
http://dx.doi.org/10.1364/JOSAB.23.001174


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Abstract

Terahertz time-domain spectroscopy was used to investigate the bianisotropic response of microfabricated split-ring resonators (SRRs) and the in-plane SRR–wire metamaterials. We observed a strong polarization dependence of the transmission with a polarized incident terahertz electromagnetic wave. Two transmission minima, one from the bianisotropic contribution and the other from the anisotropic plasmonic contribution, are discussed. The evolution of the two transmission minima as a function of polarization angle is also demonstrated. The effective-medium theory combined with the dispersion relations in metamaterials is employed to elucidate the experimental data effectively.

© 2006 Optical Society of America

OCIS Codes
(160.4670) Materials : Optical materials
(160.4760) Materials : Optical properties
(260.2110) Physical optics : Electromagnetic optics
(300.6270) Spectroscopy : Spectroscopy, far infrared

ToC Category:
Spectroscopy

History
Original Manuscript: November 14, 2005
Revised Manuscript: January 20, 2006
Manuscript Accepted: January 20, 2006

Citation
Xin-long Xu, Bao-gang Quan, Chang-zhi Gu, and Li Wang, "Bianisotropic response of microfabricated metamaterials in the terahertz region," J. Opt. Soc. Am. B 23, 1174-1180 (2006)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-23-6-1174

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