TITLE

Observation of negative refraction and negative phase velocity in left-handed metamaterials

AUTHOR(S)
Aydin, Koray; Guven, Kaan; Soukoulis, Costas M.; Ozbay, Ekmel
PUB. DATE
March 2005
SOURCE
Applied Physics Letters;3/21/2005, Vol. 86 Issue 12, p124102
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We report the transmission characteristics of a two-dimensional (2D) composite metamaterial (CMM) structure in free space. At the frequencies where left-handed transmission takes place, we experimentally confirmed that the CMM structure has effective negative refractive index. Phase shift between consecutive numbers of layers of CMM is measured and phase velocity is shown to be negative at the relevant frequency range. Refractive index values obtained from the refraction experiments and the phase measurements are in good agreement.
ACCESSION #
16581754

 

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