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. 2010 Dec 29;4(1):73–83. doi: 10.3390/ma4010073

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© 2010 by the authors;

licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Parameters of the active CRLH-TL metamaterial as a function of frequency: (a) Attenuation constant α (solid line) and phase constant β (dotted line); (b) Real and imaginary part of the effective index of refraction n_eff (assuming a realistic unit cell physical length of 3 mm); (c) Real and imaginary part of the effective permittivity ε_eff (assuming a realistic unit cell physical length of 3 mm); (d) Real and imaginary part of the effective permeability µ_eff (assuming a realistic unit cell physical length of 3 mm).

Parameters of the active CRLH-TL metamaterial as a function of frequency: (a) Attenuation constant α (solid line) and phase constant β (dotted line); (b) Real and imaginary part of the effective index of refraction n_eff (assuming a realistic unit cell physical length of 3 mm); (c) Real and imaginary part of the effective permittivity ε_eff (assuming a realistic unit cell physical length of 3 mm); (d) Real and imaginary part of the effective permeability µ_eff (assuming a realistic unit cell physical length of 3 mm).