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/Conference Proceeding/Report › Conference Paper published in a book › 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	2015 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2015
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	490-492
Number of pages	3
ISBN (Electronic)	9781479978366
DOIs	https://doi.org/10.1109/MetaMaterials.2015.7342498
Publication status	Published - 30 Nov 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

Publication series

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

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

Bibliographical note

Publisher Copyright:
© 2015 IEEE.

Keywords

Absorption
Acoustics
Frequency measurement
Metamaterials
Optical surface waves
Resonant frequency
Surface impedance

Access to Document

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 2015 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2015 (pp. 490-492). Article 7342498 (2015 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2015). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/MetaMaterials.2015.7342498

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

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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.",

keywords = "Absorption, Acoustics, Frequency measurement, Metamaterials, Optical surface waves, Resonant frequency, Surface impedance",

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 2015 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2015., 7342498, 2015 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2015, Institute of Electrical and Electronics Engineers Inc., 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.
2015 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2015. Institute of Electrical and Electronics Engineers Inc., 2015. p. 490-492 7342498 (2015 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2015).

Research output: Chapter in Book/Conference Proceeding/Report › Conference Paper published in a book › peer-review

TY - GEN

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

AU - Yang, Min

AU - Ma, Guancong

AU - Xiao, Songwen

AU - Yang, Zhiyu

AU - Sheng, Ping

PY - 2015/11/30

Y1 - 2015/11/30

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.

KW - Absorption

KW - Acoustics

KW - Frequency measurement

KW - Metamaterials

KW - Optical surface waves

KW - Resonant frequency

KW - Surface impedance

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T3 - 2015 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2015

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

PB - Institute of Electrical and Electronics Engineers Inc.

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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 2015 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2015. Institute of Electrical and Electronics Engineers Inc. 2015. p. 490-492. 7342498. (2015 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2015). doi: 10.1109/MetaMaterials.2015.7342498

Hybrid resonance and the total absorption of low frequency acoustic waves

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