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Acoustic metasurface-based perfect absorber with deep subwavelength thickness
Open accessAbstract
Conventional acoustic absorbers are used to have a structure with a thickness comparable to the working wavelength, resulting in major obstacles in real applications in low frequency range. We present a metasurface-based perfect absorber capable of achieving the total absorption of acoustic wave in an extremely low frequency region. The metasurface possessing a deep subwavelength thickness down to a feature size of ∼λ/223 is composed of a perforated plate and a coiled coplanar air chamber. Simulations based on fully coupled acoustic with thermodynamic equations and theoretical impedance analysis are utilized to reveal the underlying physics and the acoustic performances, showing an excellent agreement. Our realization should have an high impact on amount of applications due to the extremely thin thickness, easy fabrication, and high efficiency of the proposed structure.
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Cited by
Sound Absorption Structures: From Porous Media to Acoustic Metamaterials
Yang, M., & Sheng, P. (2017) · Annual Review of Materials Research · doi:10.1146/annurev-matsci-070616-124032 · Cited by 616
Tunable Asymmetric Transmission via Lossy Acoustic Metasurfaces
Li, Y., Shen, C., Xie, Y., Li, J., Wang, W., Cummer, S. A., & Jing, Y. (2017) · Physical Review Letters · doi:10.1103/physrevlett.119.035501 · Cited by 409
Self-citationAcoustic Metamaterials: A Review of Theories, Structures, Fabrication Approaches, and Applications
Liao, G., Luan, C., Wang, Z., Liu, J., Yao, X., & Fu, J. (2021) · Advanced Materials Technologies · doi:10.1002/admt.202000787 · Cited by 267
Metadiffusers: Deep-Subwavelength Sound Diffusers
Jiménez, N., Cox, T. J., Romero-García, V., & Groby, J.-P. (2017) · Scientific Reports · doi:10.1038/s41598-017-05710-5 · Cited by 82
Chojnacki, B., Schynol, K., Halek, M., & Muniak, A. (2023) · Materials · doi:10.3390/ma16186089 · Cited by 6
“Detailed The impedance tube simulation model was prepared using previously described methods [28,29].”
Method
Metadata
- Authors
- Li, Y., & Assouar, B. M.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2016-02-08
- Volume
- 108
- Issue
- 6
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2301471013
- Cited by
- 815
- References
- 0
- FWCI
- 31.31
- Type
- journal article
- Language
- en
- Open access
- green
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
