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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 2 — Jan. 15, 2012
  • pp: 154–156

Experimental demonstration of terahertz metamaterial absorbers with a broad and flat high absorption band

Li Huang, Dibakar Roy Chowdhury, Suchitra Ramani, Matthew T. Reiten, Sheng-Nian Luo, Antoinette J. Taylor, and Hou-Tong Chen  »View Author Affiliations


Optics Letters, Vol. 37, Issue 2, pp. 154-156 (2012)
http://dx.doi.org/10.1364/OL.37.000154


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Abstract

We present the design, numerical simulations and experimental measurements of terahertz metamaterial absorbers with a broad and flat absorption top over a wide incidence angle range for either transverse electric or transverse magnetic polarization depending on the incident direction. The metamaterial absorber unit cell consists of two sets of structures resonating at different but close frequencies. The overall absorption spectrum is the superposition of individual components and becomes flat at the top over a significant bandwidth. The experimental results are in excellent agreement with numerical simulations.

© 2012 Optical Society of America

OCIS Codes
(230.3990) Optical devices : Micro-optical devices
(310.3915) Thin films : Metallic, opaque, and absorbing coatings
(160.3918) Materials : Metamaterials
(300.6495) Spectroscopy : Spectroscopy, teraherz

ToC Category:
Materials

History
Original Manuscript: September 7, 2011
Revised Manuscript: November 6, 2011
Manuscript Accepted: November 21, 2011
Published: January 10, 2012

Citation
Li Huang, Dibakar Roy Chowdhury, Suchitra Ramani, Matthew T. Reiten, Sheng-Nian Luo, Antoinette J. Taylor, and Hou-Tong Chen, "Experimental demonstration of terahertz metamaterial absorbers with a broad and flat high absorption band," Opt. Lett. 37, 154-156 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-2-154

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