Abstract
A new wideband left-handed (LH) meta-atom based on planar modified multiple hexagonal split ring resonators is described in this paper. The LH meta-atom was simulated to maintain left-handed properties at 9.40 GHz. Performance and comparison of different structures were analyzed that follow better effective medium ratio (EMR) and wideband (5.54 GHz) for multi-band operations in the microwave spectra. The finite-difference time-domain (FDTD) method-based CST electromagnetic simulator was implemented in order to observe the design of the meta-atom. The meta-atom showed a multiband response in conjunction with wideband and LH properties above the definite frequency band in the microwave spectra and EMR was considerably improved compared to previously reported metamaterials.
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