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An Acoustic Metamaterial Lens for Acoustic Point-to-Point Communication in Air
Taiyuan Univ Technol, Coll Phys & Optoelect, Minist Educ & Shanxi Prov, Key Lab Adv Transducers & Intelligent Control Sys, Taiyuan 030024, Shanxi, Peoples R China.;Zhejiang Univ, JORCEP, Zhejiang Prov Key Lab Sensing Technol, Ctr Opt & Electromagnet Res, East Bldg 5, Hangzhou 310058, Zhejiang, Peoples R China..
Zhejiang Univ, JORCEP, Zhejiang Prov Key Lab Sensing Technol, Ctr Opt & Electromagnet Res, East Bldg 5, Hangzhou 310058, Zhejiang, Peoples R China..
Zhejiang Univ, JORCEP, Zhejiang Prov Key Lab Sensing Technol, Ctr Opt & Electromagnet Res, East Bldg 5, Hangzhou 310058, Zhejiang, Peoples R China..
Zhejiang Univ, JORCEP, Zhejiang Prov Key Lab Sensing Technol, Ctr Opt & Electromagnet Res, East Bldg 5, Hangzhou 310058, Zhejiang, Peoples R China..
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2019 (English)In: Acoustical Physics, ISSN 1063-7710, E-ISSN 1562-6865, Vol. 65, no 1, p. 1-6Article in journal (Refereed) Published
Abstract [en]

Acoustic metamaterials have become a novel and effective way to control sound waves and design acoustic devices. In this study, we design a 3D acoustic metamaterial lens (AML) to achieve point-to-point acoustic communication in air: any acoustic source (a speaker) in air enclosed by such an AML can produce an acoustic image where the acoustic wave is focused (the field intensity is at a maximum, and the listener can receive the information), while the acoustic field at other spatial positions is low enough that listeners can hear almost nothing. Unlike a conventional elliptical reflective mirror, the acoustic source can be moved around inside our proposed AML. Numerical simulations are given to verify the performance of the proposed AML.

Place, publisher, year, edition, pages
PLEIADES PUBLISHING INC , 2019. Vol. 65, no 1, p. 1-6
Keywords [en]
acoustic metamaterials, focusing, Eaton lens
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-252419DOI: 10.1134/S1063771019010111ISI: 000467043300001Scopus ID: 2-s2.0-85065415437OAI: oai:DiVA.org:kth-252419DiVA, id: diva2:1337585
Conference
IMENTE A, 2012, J APPL PHYS LETT, V100, Xu, 2014, SCIENTIFIC REPORTS, V4, ynolds D. D., 1981, Engineering Principles of Acoustics: Noise and Vibration Control, brovnitskii Yu. I., 2014, ACOUSTICAL PHYSICS, V60, P371 jumdar A., 2005, Journal of Optical and Fiber Communications Reports, V2, P345 ang Xue, 2014, APPLIED PHYSICS LETTERS, V104, ilbin T G, 2010, Geometry and Light: The Science of Invisibility, u Jie, 2013, SCIENTIFIC REPORTS, V3, nchis L., 2013, PHYSICAL REVIEW LETTERS, V110, o Fen, 2013, JOURNAL OF APPLIED PHYSICS, V113, Tinghua, 2012, ACOUSTICAL PHYSICS, V58, P642 Qiannan, 2012, APPLIED PHYSICS LETTERS, V101, en Huanyang, 2007, APPLIED PHYSICS LETTERS, V91, mmer Steven A., 2007, NEW JOURNAL OF PHYSICS, V9, nano Juan C., 2006, OPTICS EXPRESS, V14, P9627 Borui, 2018, APPLIED PHYSICS EXPRESS, V11, Borui, 2017, APPLIED PHYSICS EXPRESS, V10, n Fei, 2017, JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, V142, P1213 Guancong, 2016, SCIENCE ADVANCES, V2, mmer Steven A., 2016, NATURE REVIEWS MATERIALS, V1, ure Cedric, 2016, APPLIED PHYSICS LETTERS, V108, brovnitskii Yu. I., 2015, ACOUSTICAL PHYSICS, V61, P255 i Jun, 2012, NATURE COMMUNICATIONS, V3, ang Zixian, 2012, PHYSICAL REVIEW LETTERS, V108,
Note

QC 20190716

Available from: 2019-07-16 Created: 2019-07-16 Last updated: 2019-07-16Bibliographically approved

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