Design and Analysis of Metamaterial Absorber Featuring Split Ring Resonators for Multiband Absorption

An absorber designed using metamaterial with wideband absorption is presented in this paper. The absorber unit cell comprises two circle-shaped split ring resonators enclosed within a square-shaped Split Ring Resonator (SRR). Multiband absorbance is present in the proposed structure with peak values of 98.5, 99.7, 98.9, 98.5, and 99.1% at 5.3, 7.9, 10.4, 16.2, and 17.7 GHz respectively. In addition to the current density at the resonator surface, the current density in the dielectric is also calculated.