Both Transversal Negative Permeability and Backward-Wave Propagation in X-Band Waveguide with Double-Side SRR Metamaterials

摘要

In this article X-band rectangular waveguides partially filled with the doublesidernsingle ring resonator (DSRR) array are investigated for miniaturization, stop-band, andrnmulti-band filters applications. Several rectangular waveguides loaded with the DSRR arrayrnin 2–10 GHz frequency band have been studied and optimized. We observe both the transversalrnnegative permeability presented above the cutoff frequency and the backward-wavernlocated below the cutoff frequency with the DSRR array in X-band waveguide. Both simulationrnand measurement results of DSRR array are with good agreement. The DSRR arrayrnprovides better performance of the transversal negative permeability and the backwardwavernthan the split-ring resonator array. The physical explanation of backward-wave is presented.rnThe power loss distributions are clearly presented for the negative permeabilityrnattenuation and the backward-wave propagation.