Perfect and broadband acoustic absorption by critically coupled sub-wavelength resonators

Scientific Reports
V Romero-GarcíaV Pagneux

Abstract

Perfect absorption is an interdisciplinary topic with a large number of applications, the challenge of which consists of broadening its inherently narrow frequency-band performance. We experimentally and analytically report perfect and broadband absorption for audible sound, by the mechanism of critical coupling, with a sub-wavelength multi-resonant scatterer (SMRS) made of a plate-resonator/closed waveguide structure. In order to introduce the role of the key parameters, we first present the case of a single resonant scatterer (SRS) made of a Helmholtz resonator/closed waveguide structure. In both cases the controlled balance between the energy leakage of the several resonances and the inherent losses of the system leads to perfect absorption peaks. In the case of the SMRS we show that systems with large inherent losses can be critically coupled using resonances with large leakage. In particular, we show that in the SMRS system, with a thickness of λ/12 and diameter of λ/7, several perfect absorption peaks overlap to produce absorption bigger than 93% for frequencies that extend over a factor of 2 in audible frequencies. The reported concepts and methodology provide guidelines for the design of broadband perfect absorbers whic...Continue Reading

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Citations

Mar 5, 2016·The Journal of the Acoustical Society of America·Thomas WeisserLuciana Monteiro
Apr 24, 2016·The Journal of the Acoustical Society of America·J-P GrobyY Aurégan
Jul 3, 2016·The Journal of the Acoustical Society of America·V Romero-GarcíaV Pagneux
Aug 1, 2016·The Journal of the Acoustical Society of America·V AchilleosG Theocharis
Feb 6, 2017·The Journal of the Acoustical Society of America·Stéphane GriffithsStéphane Job
Jan 1, 2018·The Journal of the Acoustical Society of America·Jean-François MercierAgnès Maurel
Mar 7, 2018·Proceedings. Mathematical, Physical, and Engineering Sciences·Agnès MaurelKim Pham
Sep 12, 2019·Scientific Reports·Taehwa LeeHideo Iizuka
Nov 3, 2017·The Journal of the Acoustical Society of America·Lei XiongWenping Bi
Aug 3, 2017·The Journal of the Acoustical Society of America·Houyou LongXiaojun Liu
Mar 3, 2018·The Journal of the Acoustical Society of America·Yongxiong XiaoLawrence A Bergman
Nov 24, 2018·Nature Communications·Jian ChenZheng Fan
Jan 3, 2019·The Journal of the Acoustical Society of America·Aasim Ullah Jan, R Porter
Jul 18, 2018·Scientific Reports·Joseph G BeadleAlastair P Hibbins
Sep 19, 2020·Physical Review. E·Theodoros G Tsironis, Aris L Moustakas
Aug 17, 2020·Scientific Reports·Houyou LongXiaojun Liu
Feb 12, 2017·Physical Review Letters·Huanan LiTsampikos Kottos
Jul 16, 2017·Scientific Reports·Noé JiménezJean-Philippe Groby
Sep 28, 2017·Physical Review. E·Jiangyi ZhangDimitrios J Frantzeskakis
Oct 27, 2017·Scientific Reports·Xiaonan ZhangZ Yang
Sep 16, 2018·Scientific Reports·Rasha Al Jahdali, Ying Wu
May 3, 2019·The Journal of the Acoustical Society of America·A MaurelA Ourir
May 13, 2017·Physical Review Letters·Yves Aurégan, Vincent Pagneux
Mar 1, 2021·The Journal of the Acoustical Society of America·Caglar GurbuzSteffen Marburg
Apr 4, 2021·The Journal of the Acoustical Society of America·Chen ShaoXiaojun Liu
May 5, 2021·The Journal of the Acoustical Society of America·Jiwan Kim, Wonju Jeon
May 15, 2021·Scientific Reports·Noé JiménezVicent Romero-García
Sep 3, 2021·The Journal of the Acoustical Society of America·Chen ShaoXiaojun Liu
Sep 3, 2021·The Journal of the Acoustical Society of America·Jingwen GuoXin Zhang
Nov 18, 2021·Materials Horizons·Fuyin MaJiu Hui Wu

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