Development of double negative chiral metamaterials in the visible regime

In this paper, we propose a new set of chiral structures: the "F-shaped", "E shaped" and "y-shaped" resonators. Besides providing magnetoelectric coupling, these structures have a double negative (DNG) passband which can easily be tuned in both the frequency of operation and bandwidth; moreover, the transmission bands can be generated over a broad frequency regime with a lower loss than other known structures, e.g. omega, gammadion, and "S-shaped" resonator. In this paper, the design methodology for the development of the novel metamaterials is presented. In addition, the double-negative and chiral properties of our structures are proven. Furthermore, we compare the advantages and disadvantages of our novel chiral DNG structures to the other recognized structures mentioned previously. The complimentary synthesis and modeling techniques of our novel chiral DNG metamaterials will provide a guide to the optimization of metamaterial designs in the visible regime