Title :
Phase Velocity in Resonant Structures
Author :
Baker-Jarvis, J. ; Janezic, M.D. ; Love, D. ; Wallis, T.M. ; Holloway, C.L. ; Kabos, P.
Author_Institution :
Nat. Inst. of Stand. & Technol., Boulder, CO
Abstract :
In this paper we present a simple experimental procedure for studying the phase-velocity behavior of a metafilm with tunable material properties. Using this approach, we have studied the phase-velocity of a metamaterial under differing resonant conditions. We show that possessing negative-phase velocity is not a sufficient condition for classifying a material as having negative-index material characteristics
Keywords :
magnetic thin films; metamaterials; group velocity; metafilm phase velocity; metamaterial; negative index material characteristics; resonant structures; tunable material; Electromagnetic scattering; Magnetic materials; Magnetic resonance; Metamaterials; Permeability; Permittivity; Phase measurement; Polarization; Sufficient conditions; Velocity measurement; Group velocity; metamaterial; negative index; phase velocity;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2006.878874
