Multiband Asymmetric Transmission of Airborne Sound by Coded Metasurfaces

Boyang Xie, Hua Cheng, Kun Tang, Zhengyou Liu, Shuqi Chen, and Jianguo Tian
Phys. Rev. Applied 7, 024010 – Published 9 February 2017
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Abstract

We present the design, characterization, and theoretical and experimental demonstration of multiband asymmetric transmission of airborne sound using an ultrathin coded metasurface formed by an alternating arrangement of the coding elements 0 and 1. The asymmetric transmission effect can be easily controlled to selectively achieve off and on by coding different patterns. Both frequency- and angle-selective transmission is discussed. The proposed multiband asymmetric transmission stems from the constructive and destructive interferences of acoustic-wave coupling between the coded elements. The experimental results are in relative agreement with numerical simulations. This work opens an alternative path for ultrathin acoustic-device design and shows promise for application in acoustic rectification and noise control.

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  • Received 27 October 2016

DOI:https://doi.org/10.1103/PhysRevApplied.7.024010

© 2017 American Physical Society

Physics Subject Headings (PhySH)

General Physics

Authors & Affiliations

Boyang Xie1, Hua Cheng1,*, Kun Tang2, Zhengyou Liu2, Shuqi Chen1,†, and Jianguo Tian1

  • 1The MOE Key Laboratory of Weak Light Nonlinear Photonics, School of Physics, TEDA Institute of Applied Physics, and the 2011 Project Collaborative Innovation Center for Biological Therapy, Nankai University, Tianjin 300071, China
  • 2School of Physics and Technology and Institute for Advanced Studies, Wuhan University, Wuhan 430072, China

  • *hcheng@nankai.edu.cn
  • schen@nankai.edu.cn

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Issue

Vol. 7, Iss. 2 — February 2017

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