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Phys. Rev. B 73, 193103 (2006) [4 pages]

Experimental demonstration of a left-handed metamaterial operating at 100 GHz

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M. Gokkavas1,*, K. Guven1,2, I. Bulu1,2, K. Aydin1,2, R. S. Penciu4, M. Kafesaki4, C. M. Soukoulis4,5, and E. Ozbay1,2,3
1Nanotechnology Research Center, Bilkent University, Bilkent, 06800 Ankara, Turkey
2Department of Physics, Bilkent University, Bilkent, 06800 Ankara, Turkey
3Department of Electrical and Electronics Engineering, Bilkent University, Bilkent, 06800 Ankara, Turkey
4Institute of Electronic Structure and Laser, Foundation for Research and Technology, Hellas and Department of Materials Science and Technology, University of Crete, Greece
5Ames Laboratory-USDOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA

Received 22 March 2006; published 12 May 2006

The existence of a left-handed (LH) transmission band in a bulk composite metamaterial (CMM) around 100 GHz is demonstrated experimentally. The CMM consists of stacked planar glass layers on which periodic patterns of micron-scale metallic wires and split-ring resonators are fabricated. The LH nature of the CMM band is proved by comparing the transmission spectra of individual CMM components. Theoretical investigation of the CMM by transmission simulations and an inversion scheme for the retrieval of the effective permeability and permittivity functions supports the existence of LH behavior.

© 2006 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.73.193103
DOI:
10.1103/PhysRevB.73.193103
PACS:
42.70.−a, 41.20.Jb, 78.20.Ci, 81.05.Zx

*Corresponding author. Electronic address: mgokkavas@fen.bilkent.edu.tr

 
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