Interference-induced angle-independent acoustical transparency
It is revealed that the Fano-like interference leads to the extraordinary acoustic transmission through a slab metamaterial of thickness much smaller than the wavelength, with each unit cell consisting of a Helmholtz resonator and a narrow subwavelength slit. More importantly, both the theoretical a...
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| Veröffentlicht in: | Journal of applied physics 2014-12, Vol.116 (23) |
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| container_title | Journal of applied physics |
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| creator | Qi, Lehua Yu, Gaokun Wang, Xinlong Wang, Guibo Wang, Ning |
| description | It is revealed that the Fano-like interference leads to the extraordinary acoustic transmission through a slab metamaterial of thickness much smaller than the wavelength, with each unit cell consisting of a Helmholtz resonator and a narrow subwavelength slit. More importantly, both the theoretical analysis and experimental measurement show that the angle-independent acoustical transparency can be realized by grafting a Helmholtz resonator and a quarter-wave resonator to the wall of a narrow subwavelength slit in each unit cell of a slit array. The observed phenomenon results from the interferences between the waves propagating in the slit, those re-radiated by the Helmholtz resonator, and those re-radiated by the quarter-wave resonator. The proposed design may find its applications in designing angle-independent acoustical filters and controlling the phase of the transmitted waves. |
| doi_str_mv | 10.1063/1.4904525 |
| format | Article |
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More importantly, both the theoretical analysis and experimental measurement show that the angle-independent acoustical transparency can be realized by grafting a Helmholtz resonator and a quarter-wave resonator to the wall of a narrow subwavelength slit in each unit cell of a slit array. The observed phenomenon results from the interferences between the waves propagating in the slit, those re-radiated by the Helmholtz resonator, and those re-radiated by the quarter-wave resonator. The proposed design may find its applications in designing angle-independent acoustical filters and controlling the phase of the transmitted waves.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/1.4904525</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Applied physics ; CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ; DESIGN ; Electromagnetic wave filters ; FILTERS ; GRAFTS ; Helmholtz resonators ; INTERFERENCE ; Metamaterials ; OPACITY ; RESONATORS ; Sound transmission ; THICKNESS ; TRANSMISSION ; Unit cell ; Wave propagation ; WAVELENGTHS</subject><ispartof>Journal of applied physics, 2014-12, Vol.116 (23)</ispartof><rights>2014 AIP Publishing LLC.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c351t-aab2bcde52f10e52f86ccdfa2105a91c984dd6d1fc3948f9d261272db2be3c03</citedby><cites>FETCH-LOGICAL-c351t-aab2bcde52f10e52f86ccdfa2105a91c984dd6d1fc3948f9d261272db2be3c03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27924,27925</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22402824$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Qi, Lehua</creatorcontrib><creatorcontrib>Yu, Gaokun</creatorcontrib><creatorcontrib>Wang, Xinlong</creatorcontrib><creatorcontrib>Wang, Guibo</creatorcontrib><creatorcontrib>Wang, Ning</creatorcontrib><title>Interference-induced angle-independent acoustical transparency</title><title>Journal of applied physics</title><description>It is revealed that the Fano-like interference leads to the extraordinary acoustic transmission through a slab metamaterial of thickness much smaller than the wavelength, with each unit cell consisting of a Helmholtz resonator and a narrow subwavelength slit. More importantly, both the theoretical analysis and experimental measurement show that the angle-independent acoustical transparency can be realized by grafting a Helmholtz resonator and a quarter-wave resonator to the wall of a narrow subwavelength slit in each unit cell of a slit array. The observed phenomenon results from the interferences between the waves propagating in the slit, those re-radiated by the Helmholtz resonator, and those re-radiated by the quarter-wave resonator. The proposed design may find its applications in designing angle-independent acoustical filters and controlling the phase of the transmitted waves.</description><subject>Applied physics</subject><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</subject><subject>DESIGN</subject><subject>Electromagnetic wave filters</subject><subject>FILTERS</subject><subject>GRAFTS</subject><subject>Helmholtz resonators</subject><subject>INTERFERENCE</subject><subject>Metamaterials</subject><subject>OPACITY</subject><subject>RESONATORS</subject><subject>Sound transmission</subject><subject>THICKNESS</subject><subject>TRANSMISSION</subject><subject>Unit cell</subject><subject>Wave propagation</subject><subject>WAVELENGTHS</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNpFkE9LAzEUxIMoWKsHv0HBk4etefmzm1wEKVYLBS-9h_Ql0S01uybZQ7-9W1vwMsOD3zyGIeQe6BxozZ9gLjQVkskLMgGqdNVISS_JhFIGldKNviY3Oe8oBVBcT8jzKhafgk8-oq_a6Ab0bmbj5_7v8r0fJZaZxW7IpUW7n5VkY-7tMXG4JVfB7rO_O_uUbJavm8V7tf54Wy1e1hVyCaWydsu26LxkAehRVY3ogmVApdWAWgnnagcBuRYqaMdqYA1zY8pzpHxKHk5vu7GDydgWj1_YxeixGMYEZYqJf6pP3c_gczG7bkhx7GUYsFqoRkEzUo8nClOXc_LB9Kn9tulggJrjhgbMeUP-C1ImY2Y</recordid><startdate>20141221</startdate><enddate>20141221</enddate><creator>Qi, Lehua</creator><creator>Yu, Gaokun</creator><creator>Wang, Xinlong</creator><creator>Wang, Guibo</creator><creator>Wang, Ning</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>20141221</creationdate><title>Interference-induced angle-independent acoustical transparency</title><author>Qi, Lehua ; Yu, Gaokun ; Wang, Xinlong ; Wang, Guibo ; Wang, Ning</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c351t-aab2bcde52f10e52f86ccdfa2105a91c984dd6d1fc3948f9d261272db2be3c03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Applied physics</topic><topic>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</topic><topic>DESIGN</topic><topic>Electromagnetic wave filters</topic><topic>FILTERS</topic><topic>GRAFTS</topic><topic>Helmholtz resonators</topic><topic>INTERFERENCE</topic><topic>Metamaterials</topic><topic>OPACITY</topic><topic>RESONATORS</topic><topic>Sound transmission</topic><topic>THICKNESS</topic><topic>TRANSMISSION</topic><topic>Unit cell</topic><topic>Wave propagation</topic><topic>WAVELENGTHS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Qi, Lehua</creatorcontrib><creatorcontrib>Yu, Gaokun</creatorcontrib><creatorcontrib>Wang, Xinlong</creatorcontrib><creatorcontrib>Wang, Guibo</creatorcontrib><creatorcontrib>Wang, Ning</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Journal of applied physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Qi, Lehua</au><au>Yu, Gaokun</au><au>Wang, Xinlong</au><au>Wang, Guibo</au><au>Wang, Ning</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Interference-induced angle-independent acoustical transparency</atitle><jtitle>Journal of applied physics</jtitle><date>2014-12-21</date><risdate>2014</risdate><volume>116</volume><issue>23</issue><issn>0021-8979</issn><eissn>1089-7550</eissn><abstract>It is revealed that the Fano-like interference leads to the extraordinary acoustic transmission through a slab metamaterial of thickness much smaller than the wavelength, with each unit cell consisting of a Helmholtz resonator and a narrow subwavelength slit. 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| ispartof | Journal of applied physics, 2014-12, Vol.116 (23) |
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| language | eng |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Applied physics CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS DESIGN Electromagnetic wave filters FILTERS GRAFTS Helmholtz resonators INTERFERENCE Metamaterials OPACITY RESONATORS Sound transmission THICKNESS TRANSMISSION Unit cell Wave propagation WAVELENGTHS |
| title | Interference-induced angle-independent acoustical transparency |
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