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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 23 — Nov. 10, 2008
  • pp: 18745–18751

Surface plasmons in terahertz metamaterials

G. Acuna, S. F. Heucke, F. Kuchler, H.-T. Chen, A. J. Taylor, and R. Kersting  »View Author Affiliations


Optics Express, Vol. 16, Issue 23, pp. 18745-18751 (2008)
http://dx.doi.org/10.1364/OE.16.018745


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Abstract

We characterize terahertz metamaterials by applying apertureless near-field microscopy with a bandwidth that covers the entire spectral response of the structures. The observations agree with the interpretation of the fundamental mode of the metamaterial. But the high frequency resonance shows properties that deviate from the common interpretation. We show that the high frequency response is governed by surface plasmon excitations, which have a comparable oscillator strength as the fundamental mode.

© 2008 Optical Society of America

OCIS Codes
(160.3918) Materials : Metamaterials
(180.4243) Microscopy : Near-field microscopy
(300.6495) Spectroscopy : Spectroscopy, teraherz

ToC Category:
Metamaterials

History
Original Manuscript: September 16, 2008
Revised Manuscript: October 23, 2008
Manuscript Accepted: October 23, 2008
Published: October 29, 2008

Citation
G. Acuna, S. F. Heucke, F. Kuchler, H. T. Chen, A. J. Taylor, and R. Kersting, "Surface plasmons in terahertz metamaterials," Opt. Express 16, 18745-18751 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-23-18745


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