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Extraordinary acoustic transmission through ultrathin acoustic metamaterials by coiling up space
Abstract
We show that by coiling up space through curled channels, a two-dimensional ultrathin acoustic metamaterial can be constructed to support the extraordinary acoustic transmission. The exotic phenomenon intrinsically stems from Fabry-Pérot resonances while the thickness of the structure is kept deep subwavelength. Broadband unity transmission is observed at a specific incident angle. It is also demonstrated that the coiling factor plays a dominant role in determining the property of transmission peak. Our results should contribute to the understanding of the underlying physics of structures by coiling up space and may potentially benefit their practical application.
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Cited by
Acoustic 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
A Review of Acoustic Metamaterials and Phononic Crystals
Liu, J., Guo, H., & Wang, T. (2020) · Crystals · doi:10.3390/cryst10040305 · Cited by 261
“The sound absorption mechanism of the curly space structure is to allow sound waves to propagate in the coiled space, increasing the propagation time and reducing the effective phase velocity [51,52].”
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Metadata
- Authors
- Li, Y., Liang, B., Zou, X.-Y., & Cheng, J.-C.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2013-08-05
- Volume
- 103
- Issue
- 6
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W1969940954
- Cited by
- 169
- References
- 0
- FWCI
- 5.31
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Extraordinary acoustic transmission through ultrathin acoustic metamaterials by coiling up space. https://app.cochat.ai/papers/10.1063/1.4817925
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- Li, Y., Liang, B., Zou, X.-Y., & Cheng, J.-C. (2013). Extraordinary acoustic transmission through ultrathin acoustic metamaterials by coiling up space. Applied Physics Letters. https://doi.org/10.1063/1.4817925
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