Wide-angle and polarization-independent chiral metamaterial absorber

By B. Wang, Thomas Koschny, Costas M. Soukoulis. 2009

269 citations recorded by the source corpus.

We propose a resonant microwave absorber based on a chiral metamaterial. We show, with both numerical simulations and experimental measurements, that the absorber works well for a very wide range of incident angles for different polarizations. The proposed absorber has a compact size and the absorption is close to one for a wide range of incident angles and it is a good candidate for potential applications.

Subfields: Aerospace Engineering, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials

View Paper: https://www.semanticscholar.org/paper/c3f2ce002e234758b97f5e7ecd7bb0947cfdccb1

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In Aerospace Engineering

In Atomic and Molecular Physics, and Optics

In Electronic, Optical and Magnetic Materials

Citations in the corpus

Total Absorption of Electromagnetic Waves in Ultimately Thin Layers (2012, background): “In the past, chiral absorbing layers were studied in detail [15]–[22], but only for metal-backed volumetric layers.”
Polarization Insensitive Metamaterial Absorber with Wide Incident Angle (2010, unknown): “However, the metamaterial absorbers recently proposed in [15–17] are polarization sensitive, which only works for EM waves with one particular polarization, and the chiral metamaterial absorber in [18] has a non-planar structure which may complicate the fabrication and installation.”
Chiral metamaterials: from optical activity and negative refractive index to asymmetric transmission (2013, background): “chiral metamaterials were also shown to be able to act as absorbers [20], and even to affect the Casimir forces [75–77].”