Making sound vortices by metasurfaces

Liping Ye; Chunyin Qiu; Jiuyang Lu; Kun Tang; Han Jia; Manzhu Ke; Shasha Peng; Zhengyou Liu

doi:10.1063/1.4961062

Making sound vortices by metasurfaces

Liping Ye
, Chunyin Qiu
, Jiuyang Lu
, Kun Tang
, Han Jia
, Manzhu Ke
, Shasha Peng
, Zhengyou Liu

Research output: Contribution to journal › Article › peer-review

121 Scopus citations

Abstract

Based on the Huygens-Fresnel principle, a metasurface structure is designed to generate a sound vortex beam in airborne environment. The metasurface is constructed by a thin planar plate perforated with a circular array of deep subwavelength resonators with desired phase and amplitude responses. The metasurface approach in making sound vortices is validated well by full-wave simulations and experimental measurements. Potential applications of such artificial spiral beams can be anticipated, as exemplified experimentally by the torque effect exerting on an absorbing disk.

Original language	English
Article number	085007
Journal	AIP Advances
Volume	6
Issue number	8
DOIs	https://doi.org/10.1063/1.4961062
State	Published - 1 Aug 2016
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2016 Author(s).

Funding

This work is supported by the National Basic Research Program of China (Grant No. 2015CB755500); National Natural Science Foundation of China (Grant Nos. 11374233, 11504275, 11574233 and 11534013)

Funders	Funder number
National Natural Science Foundation of China	11374233, 11574233, 11534013, 11504275
National Key Research and Development Program of China	2015CB755500

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10.1063/1.4961062

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AU - Ye, Liping

AU - Qiu, Chunyin

AU - Lu, Jiuyang

AU - Tang, Kun

AU - Jia, Han

AU - Ke, Manzhu

AU - Peng, Shasha

AU - Liu, Zhengyou

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N2 - Based on the Huygens-Fresnel principle, a metasurface structure is designed to generate a sound vortex beam in airborne environment. The metasurface is constructed by a thin planar plate perforated with a circular array of deep subwavelength resonators with desired phase and amplitude responses. The metasurface approach in making sound vortices is validated well by full-wave simulations and experimental measurements. Potential applications of such artificial spiral beams can be anticipated, as exemplified experimentally by the torque effect exerting on an absorbing disk.

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Making sound vortices by metasurfaces

Abstract

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