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Toward creating isotropic microwave composites with negative refraction
Author(s) -
Simovski C. R.,
Sauviac B.
Publication year - 2004
Publication title -
radio science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.371
H-Index - 84
eISSN - 1944-799X
pISSN - 0048-6604
DOI - 10.1029/2003rs002898
Subject(s) - isotropy , materials science , permittivity , composite material , microwave , split ring resonator , refractive index , resonator , permeability (electromagnetism) , composite number , optics , dielectric , physics , optoelectronics , chemistry , biochemistry , quantum mechanics , membrane
The properties of artificial isotropic microwave composites which would possess simultaneously negative permittivity and permeability are studied theoretically. Four kinds of composites are considered. Two of them concern media with split‐ring resonator particles with different particle arrangements. The other two are realized with Omega particles. An analytical antenna model of the electromagnetic behavior of a split‐ring resonator (SRR) is suggested and verified by numerical simulations. Next, material parameters of composite media made with SRR or Omega particles are calculated. Both mixtures can create negative index media, but Omega composites are more prospective for obtaining negative real values of permittivity and permeability than the split‐ring resonators.