Volume 80, Number 3, November 2007
|Number of page(s)||5|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||09 October 2007|
Impact of combined electric response on left-handed materials
Department of Mechanical Engineering, The University of Hong Kong - Pokfulam Road, Hong Kong, China
Accepted: 7 September 2007
The transmission coefficient of metamaterial structures, which include a combined system of a single split ring resonator and wire (SRRW) and that of a closed-SRR and wire (CRRW), has been studied by varying the width of the continuous wire. Our numerical results support the analytical arguments made by Koschny et al. (Phys. Rev. Lett., 93 (2004) 107402), i.e., the combined electric response of the SRRW system was approximately identical to that of the corresponding CRRW system. It is important to note that a better picture of transmission and index of refraction can be presented by considering three distinct regions, i.e., , and , which appear in order by increasing the width of the wire. This is because only the case of was considered in the previous works.
PACS: 78.20.Ci – Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity) / 41.20.Jb – Electromagnetic wave propagation; radiowave propagation
© Europhysics Letters Association, 2007
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