Interpretation of the electric resonance in Z-shaped meta-atom

7th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS), Bordeaux, FRANCE, SEP 16-19, 2013; International audience; A planar Z-shaped meta-atom has been recently proposed as an alternative design to the conventional electric-LC (ELC) resonator for achieving negative permittivity. Transforming the LC topology of the resonator helps to facilitate transposition of geometrical parameters for the optical regime and also to improve the metamaterial homogeneity. In this work, we discuss about the interpretation of the resonance in such Z-shaped meta-atom.