Journal
PHOTONICS AND NANOSTRUCTURES-FUNDAMENTALS AND APPLICATIONS
Volume 7, Issue 2, Pages 92-100Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.photonics.2008.12.005
Keywords
Metamaterial; Negative refractive index; Double-negative; Terahertz; Isotropic-like fishnet structure
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Funding
- Natural Science Foundation of the education department of Henan Province of China [2008A140012]
- Aeronautical Science Foundation of China [2008ZF55006]
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The isotropic-like fishnet metamaterial with an array of cross-shaped holes penetrating through the multiple layers has been numerically studied in the terahertz regime. Its left-handed properties are described by the retrieved effect media parameters and validated by the simulation of a wedge-shaped model. The influences of the various geometrical parameters on the electromagnetic response and the left-handed performance are investigated. This isotropic-like fishnet metamaterial has the advantage of lower losses and higher transmission and holds potential for further applications at higher frequencies. (C) 2009 Elsevier B.V. All rights reserved.
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