Bianisotropic Acoustic Metasurface for Highly Efficient Wavefront Transformation

Li, Jensen; Shen, C.; Diaz-Rubio, A.; Tretyakov, S. A.; Cummer, S. A.

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Bianisotropic Acoustic Metasurface for Highly Efficient Wavefront Transformation

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Title:	Bianisotropic Acoustic Metasurface for Highly Efficient Wavefront Transformation
Author(s):	Li, Jensen ; Shen, C. ; Diaz-Rubio, A. ; Tretyakov, S. A. ; Cummer, S. A.
Date:	2018-11-13
Language:	en
Pages:	3 254-256
Department:	Duke University Department of Electronics and Nanoengineering
ISBN:	9781538647028
Series:	2018 12th International Congress on Artificial Materials for Novel Wave Phenomena, METAMATERIALS 2018
DOI-number:	10.1109/MetaMaterials.2018.8534079
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Citation: Li , J , Shen , C , Diaz-Rubio , A , Tretyakov , S A & Cummer , S A 2018 , Bianisotropic Acoustic Metasurface for Highly Efficient Wavefront Transformation . in 2018 12th International Congress on Artificial Materials for Novel Wave Phenomena, METAMATERIALS 2018 . , 8534079 , IEEE , pp. 254-256 , International Congress on Artificial Materials for Novel Wave Phenomena , Espoo , Finland , 27/08/2018 . https://doi.org/10.1109/MetaMaterials.2018.8534079
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.

Permanent link to this item: http://urn.fi/URN:NBN:fi:aalto-201901141153 Email this Export to RefWorks QR Code Print BibTex Tweet