Hybrid resonance and the total absorption of low frequency acoustic waves

Min Yang; Guancong Ma; Songwen Xiao; Zhiyu Yang; Ping Sheng

doi:10.1109/MetaMaterials.2015.7342498

Hybrid resonance and the total absorption of low frequency acoustic waves

Min Yang
, Guancong Ma
, Songwen Xiao
, Zhiyu Yang
, Ping Sheng

Department of Physics

Research output: Chapter in book/report/conference proceeding › Conference proceeding › peer-review

Abstract

By creating two or more resonances on a structured thin membrane, it can be shown that a reflecting surface placed close by can cause the two neighboring resonances to hybridize at a frequency intermediate between the two. As the hybrid resonance's wave amplitude profile is necessarily the linear superposition of the two original resonant eigenfunctions, the two degrees of freedom can mean that the surface-averaged hybrid resonance amplitude, and its variance, may be separately tunable. It is shown that whereas the average amplitude can serve to match impedance with air, the variance component is “deaf” and serves to absorb the incoming wave energy. The result is a deeply subwavelength structure that can totally absorb the incident wave at tunable frequencies.

Original language	English
Title of host publication	9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2015
Publisher	IEEE
Pages	490-492
Number of pages	3
ISBN (Electronic)	9781479978366
DOIs	https://doi.org/10.1109/MetaMaterials.2015.7342498
Publication status	Published - Sept 2015
Event	9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2015 - Oxford, United Kingdom Duration: 7 Sept 2015 → 12 Sept 2015 https://ieeexplore.ieee.org/xpl/conhome/7327951/proceeding (Conference Proceedings)

Publication series

Name	International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS

Conference

Conference	9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2015
Country/Territory	United Kingdom
City	Oxford
Period	7/09/15 → 12/09/15
Internet address	https://ieeexplore.ieee.org/xpl/conhome/7327951/proceeding (Conference Proceedings)

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 9 Industry, Innovation, and Infrastructure

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10.1109/MetaMaterials.2015.7342498

Cite this

Yang, M., Ma, G., Xiao, S., Yang, Z., & Sheng, P. (2015). Hybrid resonance and the total absorption of low frequency acoustic waves. In 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2015 (pp. 490-492). (International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS). IEEE. https://doi.org/10.1109/MetaMaterials.2015.7342498

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title = "Hybrid resonance and the total absorption of low frequency acoustic waves",

abstract = "By creating two or more resonances on a structured thin membrane, it can be shown that a reflecting surface placed close by can cause the two neighboring resonances to hybridize at a frequency intermediate between the two. As the hybrid resonance's wave amplitude profile is necessarily the linear superposition of the two original resonant eigenfunctions, the two degrees of freedom can mean that the surface-averaged hybrid resonance amplitude, and its variance, may be separately tunable. It is shown that whereas the average amplitude can serve to match impedance with air, the variance component is “deaf” and serves to absorb the incoming wave energy. The result is a deeply subwavelength structure that can totally absorb the incident wave at tunable frequencies.",

author = "Min Yang and Guancong Ma and Songwen Xiao and Zhiyu Yang and Ping Sheng",

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Yang, M, Ma, G, Xiao, S, Yang, Z & Sheng, P 2015, Hybrid resonance and the total absorption of low frequency acoustic waves. in 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2015. International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS, IEEE, pp. 490-492, 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2015, Oxford, United Kingdom, 7/09/15. https://doi.org/10.1109/MetaMaterials.2015.7342498

Hybrid resonance and the total absorption of low frequency acoustic waves. / Yang, Min; Ma, Guancong; Xiao, Songwen et al.
9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2015. IEEE, 2015. p. 490-492 (International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS).

Research output: Chapter in book/report/conference proceeding › Conference proceeding › peer-review

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T1 - Hybrid resonance and the total absorption of low frequency acoustic waves

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AU - Ma, Guancong

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AU - Yang, Zhiyu

AU - Sheng, Ping

PY - 2015/9

Y1 - 2015/9

N2 - By creating two or more resonances on a structured thin membrane, it can be shown that a reflecting surface placed close by can cause the two neighboring resonances to hybridize at a frequency intermediate between the two. As the hybrid resonance's wave amplitude profile is necessarily the linear superposition of the two original resonant eigenfunctions, the two degrees of freedom can mean that the surface-averaged hybrid resonance amplitude, and its variance, may be separately tunable. It is shown that whereas the average amplitude can serve to match impedance with air, the variance component is “deaf” and serves to absorb the incoming wave energy. The result is a deeply subwavelength structure that can totally absorb the incident wave at tunable frequencies.

AB - By creating two or more resonances on a structured thin membrane, it can be shown that a reflecting surface placed close by can cause the two neighboring resonances to hybridize at a frequency intermediate between the two. As the hybrid resonance's wave amplitude profile is necessarily the linear superposition of the two original resonant eigenfunctions, the two degrees of freedom can mean that the surface-averaged hybrid resonance amplitude, and its variance, may be separately tunable. It is shown that whereas the average amplitude can serve to match impedance with air, the variance component is “deaf” and serves to absorb the incoming wave energy. The result is a deeply subwavelength structure that can totally absorb the incident wave at tunable frequencies.

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BT - 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2015

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Yang M, Ma G, Xiao S, Yang Z, Sheng P. Hybrid resonance and the total absorption of low frequency acoustic waves. In 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2015. IEEE. 2015. p. 490-492. (International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS). doi: 10.1109/MetaMaterials.2015.7342498

Hybrid resonance and the total absorption of low frequency acoustic waves

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