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Continuously tunable acoustic metasurface with rotatable anisotropic three-component resonators
We propose a tunable acoustic metasurface consisting of identical units. Units are rotatable anisotropic three-component resonators, which can induce non-degenerate dipolar resonance, causing an evident phase change in low frequencies. Compared with the monopole resonance widely used in Helmholtz re...
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Published in: | Applied physics express 2020-02, Vol.13 (2), p.25507 |
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container_start_page | 25507 |
container_title | Applied physics express |
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creator | Li, Pan Chang, Yun-Fan Du, Qiu-Jiao Xu, Zhi-Hong Liu, Mei-Yu Peng, Pai |
description | We propose a tunable acoustic metasurface consisting of identical units. Units are rotatable anisotropic three-component resonators, which can induce non-degenerate dipolar resonance, causing an evident phase change in low frequencies. Compared with the monopole resonance widely used in Helmholtz resonators, the polarization direction of the dipole resonance is a new degree of freedom for phase manipulation. The proposed metasurface is constructed by identical units that are made with real (not rigid) materials. The phase profile can continuously change by rotating the anisotropic resonators. We present a wide-angle and broad-band acoustic focusing by the metasurface under a water background. |
doi_str_mv | 10.35848/1882-0786/ab6f27 |
format | article |
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Units are rotatable anisotropic three-component resonators, which can induce non-degenerate dipolar resonance, causing an evident phase change in low frequencies. Compared with the monopole resonance widely used in Helmholtz resonators, the polarization direction of the dipole resonance is a new degree of freedom for phase manipulation. The proposed metasurface is constructed by identical units that are made with real (not rigid) materials. The phase profile can continuously change by rotating the anisotropic resonators. We present a wide-angle and broad-band acoustic focusing by the metasurface under a water background.</description><identifier>ISSN: 1882-0778</identifier><identifier>EISSN: 1882-0786</identifier><identifier>DOI: 10.35848/1882-0786/ab6f27</identifier><identifier>CODEN: APEPC4</identifier><language>eng</language><publisher>IOP Publishing</publisher><ispartof>Applied physics express, 2020-02, Vol.13 (2), p.25507</ispartof><rights>2020 The Japan Society of Applied Physics</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-64699329409ea127898da4f1c212df60d117c817a91d168779ed63336c39c7e33</citedby><cites>FETCH-LOGICAL-c316t-64699329409ea127898da4f1c212df60d117c817a91d168779ed63336c39c7e33</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.35848/1882-0786/ab6f27/pdf$$EPDF$$P50$$Giop$$H</linktopdf><link.rule.ids>314,776,780,27901,27902,38845,53815</link.rule.ids></links><search><creatorcontrib>Li, Pan</creatorcontrib><creatorcontrib>Chang, Yun-Fan</creatorcontrib><creatorcontrib>Du, Qiu-Jiao</creatorcontrib><creatorcontrib>Xu, Zhi-Hong</creatorcontrib><creatorcontrib>Liu, Mei-Yu</creatorcontrib><creatorcontrib>Peng, Pai</creatorcontrib><title>Continuously tunable acoustic metasurface with rotatable anisotropic three-component resonators</title><title>Applied physics express</title><addtitle>Appl. Phys. Express</addtitle><description>We propose a tunable acoustic metasurface consisting of identical units. Units are rotatable anisotropic three-component resonators, which can induce non-degenerate dipolar resonance, causing an evident phase change in low frequencies. Compared with the monopole resonance widely used in Helmholtz resonators, the polarization direction of the dipole resonance is a new degree of freedom for phase manipulation. The proposed metasurface is constructed by identical units that are made with real (not rigid) materials. The phase profile can continuously change by rotating the anisotropic resonators. 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Phys. Express</addtitle><date>2020-02-01</date><risdate>2020</risdate><volume>13</volume><issue>2</issue><spage>25507</spage><pages>25507-</pages><issn>1882-0778</issn><eissn>1882-0786</eissn><coden>APEPC4</coden><abstract>We propose a tunable acoustic metasurface consisting of identical units. Units are rotatable anisotropic three-component resonators, which can induce non-degenerate dipolar resonance, causing an evident phase change in low frequencies. Compared with the monopole resonance widely used in Helmholtz resonators, the polarization direction of the dipole resonance is a new degree of freedom for phase manipulation. The proposed metasurface is constructed by identical units that are made with real (not rigid) materials. The phase profile can continuously change by rotating the anisotropic resonators. 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title | Continuously tunable acoustic metasurface with rotatable anisotropic three-component resonators |
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