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Article: Wide-Angle Broadband Nonreflecting Acoustic Metamaterial Fence

TitleWide-Angle Broadband Nonreflecting Acoustic Metamaterial Fence
Authors
Issue Date2020
Citation
Physical Review Applied, 2020, v. 13, n. 5, article no. 054012 How to Cite?
AbstractIn this work, we theoretically propose and experimentally demonstrate a kind of nonreflecting acoustic metamaterial fence that is perfectly impedance matched to air over a wide range of incident angles and a broad frequency band. The metamaterial fence is composed of an array of rigid cylinders with alternating layers of different cylinder diameters. It is designed by a spatially dispersive effective medium theory and experimentally demonstrated by airborne sound reflectance measurements. Our work provides a unique approach to design and realize rigid acoustic structures that can robustly prohibit reflection and reverberation. Such structures may have important applications in general acoustics.
Persistent Identifierhttp://hdl.handle.net/10722/318830
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLiu, Chenkai-
dc.contributor.authorMa, Chu-
dc.contributor.authorLi, Xinhao-
dc.contributor.authorLuo, Jie-
dc.contributor.authorFang, Nicholas X.-
dc.contributor.authorLai, Yun-
dc.date.accessioned2022-10-11T12:24:39Z-
dc.date.available2022-10-11T12:24:39Z-
dc.date.issued2020-
dc.identifier.citationPhysical Review Applied, 2020, v. 13, n. 5, article no. 054012-
dc.identifier.urihttp://hdl.handle.net/10722/318830-
dc.description.abstractIn this work, we theoretically propose and experimentally demonstrate a kind of nonreflecting acoustic metamaterial fence that is perfectly impedance matched to air over a wide range of incident angles and a broad frequency band. The metamaterial fence is composed of an array of rigid cylinders with alternating layers of different cylinder diameters. It is designed by a spatially dispersive effective medium theory and experimentally demonstrated by airborne sound reflectance measurements. Our work provides a unique approach to design and realize rigid acoustic structures that can robustly prohibit reflection and reverberation. Such structures may have important applications in general acoustics.-
dc.languageeng-
dc.relation.ispartofPhysical Review Applied-
dc.titleWide-Angle Broadband Nonreflecting Acoustic Metamaterial Fence-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1103/PhysRevApplied.13.054012-
dc.identifier.scopuseid_2-s2.0-85085474687-
dc.identifier.volume13-
dc.identifier.issue5-
dc.identifier.spagearticle no. 054012-
dc.identifier.epagearticle no. 054012-
dc.identifier.eissn2331-7019-
dc.identifier.isiWOS:000530638200001-

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