JOURNAL ARTICLE
Bianisotropic Acoustic Metasurface For Highly Efficient Wavefront Transformation
Jensen LiChen ShenAna Díaz‐RubioSergei TretyakovSteven A. Cummer
Year: 2018 Journal: 2018 12th International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials) Vol: 6 Pages: 254-256
Abstract
A fundamental limit for GSL-based metasurfaces is their power efficiency, especially at large deflection angles. Here we designed and fabricated the bi-anisotropic cells for wavefront transformation acoustic metasurface that overcomes this limit, allowing us to steer the power flow without parasitic scattering. Our discretized design is verified numerically and experimentally.
Keywords:
Wavefront Discretization Limit (mathematics) Optics Scattering Transformation (genetics) Deflection (physics) Transformation optics Physics Anisotropy Acoustics Metamaterial Mathematics Mathematical analysis
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Topics
Metamaterials and Metasurfaces Applications
Physical Sciences → Materials Science → Electronic, Optical and Magnetic Materials
Acoustic Wave Phenomena Research
Physical Sciences → Engineering → Biomedical Engineering
Advanced Antenna and Metasurface Technologies
Physical Sciences → Engineering → Aerospace Engineering
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