Beam splitting of flexural waves with a coding meta-slab

Yanlong Xu; Liyun Cao; Pai Peng; Xiaoling Zhou; Badreddine Assouar; Zhichun Yang

doi:10.7567/1882-0786/ab36bd

Beam splitting of flexural waves with a coding meta-slab

Yanlong Xu, Liyun Cao, Pai Peng, Xiaoling Zhou, Badreddine Assouar, Zhichun Yang

School of Aeronautics

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

28 Scopus citations

Abstract

According to the generalized Snell's law, we provide an alternative way of beam splitting of flexural waves based on a proposed coding meta-slab. The coding meta-slab is composed of two logical units "0" and "1" with different thicknesses and with ± π phase shift differences between them. The logical units are designed theoretically. Experiments for beam splitting of flexural waves are performed for the perpendicular and oblique incidence. They verify that the designed coding meta-slab can effectively split incident flexural waves in a broadband frequency range.

Original language	English
Article number	097002
Journal	Applied Physics Express
Volume	12
Issue number	9
DOIs	https://doi.org/10.7567/1882-0786/ab36bd
State	Published - 1 Sep 2019

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AU - Assouar, Badreddine

AU - Yang, Zhichun

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AB - According to the generalized Snell's law, we provide an alternative way of beam splitting of flexural waves based on a proposed coding meta-slab. The coding meta-slab is composed of two logical units "0" and "1" with different thicknesses and with ± π phase shift differences between them. The logical units are designed theoretically. Experiments for beam splitting of flexural waves are performed for the perpendicular and oblique incidence. They verify that the designed coding meta-slab can effectively split incident flexural waves in a broadband frequency range.

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Beam splitting of flexural waves with a coding meta-slab

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