A Broadband Polarized Metamaterial Absorber driven by Strong Insensitivity and Proximity Effects

Artificial electromagnetic metamaterial produces exotic resonance, unusual characteristics not found in nature, but engineers can inherit the by controlling and manipulating their architecture. The design realization of dual-band, polarization, incident angle insensitive absorber (MA) is proposed. By shape structure, periodic pattern, dielectric layer thickness a significant way to realize high absorption has been investigated. In order achieve new an octagonal ring (OR), cross-wires (CWs), cut-off circle (CC) artificial structure have carefully chosen. special this produce dual resonance its bandwidth increases compare classical absorber. proposed operation suits Ku-band application, possible enhance C-band. numerical experimental results show dual-band 99.8% at 12.2 GHz 99.9% 15.5 excellent agreement theory analysis. effects constitutive property parameters: constant (ε), magnetic permeability (μ), negative refractive index (n) are also investigation symmetric shows polarization-insensitivity even changing angle. Numerical ensured destructive interference multiple penetrations which responsible for near-unity absorption. An absorptivity rates that touches near perfection prominent solar cells, detection, imaging applications.