Compact acoustic double negative metamaterial based on coexisting local resonances
Acoustic metamaterials generally exploit resonances to assume negative properties. While many types of resonances can be used for achieving a negative bulk modulus, the number of types of resonances for generating a negative mass density is limited. In this work, a double negative airborne acoustic...
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| Veröffentlicht in: | Applied physics letters 2018-12, Vol.113 (24) |
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| container_title | Applied physics letters |
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| creator | Cai, Xiaobing Xiao, Junfeng Zhang, Hongkuan Zhang, Yue Hu, Gengkai Yang, Jun |
| description | Acoustic metamaterials generally exploit resonances to assume negative properties. While many types of resonances can be used for achieving a negative bulk modulus, the number of types of resonances for generating a negative mass density is limited. In this work, a double negative airborne acoustic metamaterial is proposed, whose negative density is achieved from Fabry-Pérot resonance. More specifically, each unit cell of the metamaterial comprises only a single element, allowing coexistence of local Helmholtz resonance and Fabry-Pérot resonance to simultaneously generate a negative modulus and negative density. The metamaterial exhibits a reversed phase velocity and negative refraction, even if the constitutional elements are randomly distributed. This is a pioneering work that an airborne acoustic double negative metamaterial derives negative density from Fabry-Pérot resonance and maintains negative refraction with its constitutional elements randomly distributed. |
| doi_str_mv | 10.1063/1.5052026 |
| format | Article |
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While many types of resonances can be used for achieving a negative bulk modulus, the number of types of resonances for generating a negative mass density is limited. In this work, a double negative airborne acoustic metamaterial is proposed, whose negative density is achieved from Fabry-Pérot resonance. More specifically, each unit cell of the metamaterial comprises only a single element, allowing coexistence of local Helmholtz resonance and Fabry-Pérot resonance to simultaneously generate a negative modulus and negative density. The metamaterial exhibits a reversed phase velocity and negative refraction, even if the constitutional elements are randomly distributed. This is a pioneering work that an airborne acoustic double negative metamaterial derives negative density from Fabry-Pérot resonance and maintains negative refraction with its constitutional elements randomly distributed.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.5052026</identifier><identifier>CODEN: APPLAB</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Acoustic properties ; Acoustic resonance ; Acoustics ; Applied physics ; Bulk modulus ; Density ; Metamaterials ; Phase velocity ; Refraction ; Unit cell</subject><ispartof>Applied physics letters, 2018-12, Vol.113 (24)</ispartof><rights>Author(s)</rights><rights>2018 Author(s). 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While many types of resonances can be used for achieving a negative bulk modulus, the number of types of resonances for generating a negative mass density is limited. In this work, a double negative airborne acoustic metamaterial is proposed, whose negative density is achieved from Fabry-Pérot resonance. More specifically, each unit cell of the metamaterial comprises only a single element, allowing coexistence of local Helmholtz resonance and Fabry-Pérot resonance to simultaneously generate a negative modulus and negative density. The metamaterial exhibits a reversed phase velocity and negative refraction, even if the constitutional elements are randomly distributed. This is a pioneering work that an airborne acoustic double negative metamaterial derives negative density from Fabry-Pérot resonance and maintains negative refraction with its constitutional elements randomly distributed.</description><subject>Acoustic properties</subject><subject>Acoustic resonance</subject><subject>Acoustics</subject><subject>Applied physics</subject><subject>Bulk modulus</subject><subject>Density</subject><subject>Metamaterials</subject><subject>Phase velocity</subject><subject>Refraction</subject><subject>Unit cell</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp90EtLxDAQAOAgCq6rB_9BwJNCNZM07fYoiy9YEETPYZpOly5tU5N20X9vZBc9CJ6GYT7mxdg5iGsQmbqBay20FDI7YDMQeZ4ogMUhmwkhVJIVGo7ZSQibmGqp1Iy9LF03oB05WjeFsbG8clPZEu9pjWOzJd7RiB2O5BtseYmBKu56bh19NNH3a946GyueguuxtxRO2VGNbaCzfZyzt_u71-Vjsnp-eFrerhKrZD4mMs8grkBVWiNKSFFktRVIaZEWAsoyywvSKVUlQKpAgS4yiUKqNNqiQqnm7GLXd_DufaIwmo2bfB9HGglaLcRCSB3V5U5Z70LwVJvBNx36TwPCfL_MgNm_LNqrnQ22GeP1rv_BW-d_oRmq-j_8t_MXbph4-w</recordid><startdate>20181210</startdate><enddate>20181210</enddate><creator>Cai, Xiaobing</creator><creator>Xiao, Junfeng</creator><creator>Zhang, Hongkuan</creator><creator>Zhang, Yue</creator><creator>Hu, Gengkai</creator><creator>Yang, Jun</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20181210</creationdate><title>Compact acoustic double negative metamaterial based on coexisting local resonances</title><author>Cai, Xiaobing ; Xiao, Junfeng ; Zhang, Hongkuan ; Zhang, Yue ; Hu, Gengkai ; Yang, Jun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c327t-2761233ed4faa214a06fc0ae494901bb679e54edb11431315962a02342149da23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Acoustic properties</topic><topic>Acoustic resonance</topic><topic>Acoustics</topic><topic>Applied physics</topic><topic>Bulk modulus</topic><topic>Density</topic><topic>Metamaterials</topic><topic>Phase velocity</topic><topic>Refraction</topic><topic>Unit cell</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cai, Xiaobing</creatorcontrib><creatorcontrib>Xiao, Junfeng</creatorcontrib><creatorcontrib>Zhang, Hongkuan</creatorcontrib><creatorcontrib>Zhang, Yue</creatorcontrib><creatorcontrib>Hu, Gengkai</creatorcontrib><creatorcontrib>Yang, Jun</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cai, Xiaobing</au><au>Xiao, Junfeng</au><au>Zhang, Hongkuan</au><au>Zhang, Yue</au><au>Hu, Gengkai</au><au>Yang, Jun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Compact acoustic double negative metamaterial based on coexisting local resonances</atitle><jtitle>Applied physics letters</jtitle><date>2018-12-10</date><risdate>2018</risdate><volume>113</volume><issue>24</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><coden>APPLAB</coden><abstract>Acoustic metamaterials generally exploit resonances to assume negative properties. While many types of resonances can be used for achieving a negative bulk modulus, the number of types of resonances for generating a negative mass density is limited. In this work, a double negative airborne acoustic metamaterial is proposed, whose negative density is achieved from Fabry-Pérot resonance. More specifically, each unit cell of the metamaterial comprises only a single element, allowing coexistence of local Helmholtz resonance and Fabry-Pérot resonance to simultaneously generate a negative modulus and negative density. The metamaterial exhibits a reversed phase velocity and negative refraction, even if the constitutional elements are randomly distributed. 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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Acoustic properties Acoustic resonance Acoustics Applied physics Bulk modulus Density Metamaterials Phase velocity Refraction Unit cell |
| title | Compact acoustic double negative metamaterial based on coexisting local resonances |
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