Joungyoung Lee

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In this paper, we present three ultra-thin frequency selective surface (FSS) microwave absorbers on a single layer, that have three remarkable features. First, the various absorbing bandwidths can be obtained in our absorber by adjusting the two absorbing peaks, which are produced by two different resonance effects on the FSS. By manipulating the dimension(More)
An incident angle insensitive double negative metamaterial absorber by using hexagonal shape is described. It can absorb any incident angle transverse electromagnetic (TEM) wave because of its hexagonal symmetry shape. In spite of its structure, the absorber achieved a 81.5% absorptivity at 10.52 GHz in numerical results.
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