Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/106384
DC Field | Value | Language |
---|---|---|
dc.contributor | Department of Mechanical Engineering | - |
dc.creator | Dong, HW | - |
dc.creator | Zhao, SD | - |
dc.creator | Wang, YS | - |
dc.creator | Cheng, L | - |
dc.creator | Zhang, C | - |
dc.date.accessioned | 2024-05-09T00:53:08Z | - |
dc.date.available | 2024-05-09T00:53:08Z | - |
dc.identifier.issn | 0022-5096 | - |
dc.identifier.uri | http://hdl.handle.net/10397/106384 | - |
dc.language.iso | en | en_US |
dc.publisher | Elsevier Ltd | en_US |
dc.rights | ©2020 Elsevier Ltd. All rights reserved. | en_US |
dc.rights | ©2020 . This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/ | en_US |
dc.rights | The following publication Dong, H. W., Zhao, S. D., Wang, Y. S., Cheng, L., & Zhang, C. (2020). Robust 2D/3D multi-polar acoustic metamaterials with broadband double negativity. Journal of the Mechanics and Physics of Solids, 137, Article 103889 is available at https://doi.org/10.1016/j.jmps.2020.103889. | en_US |
dc.subject | 3D Superlens | en_US |
dc.subject | Acoustic metamaterial | en_US |
dc.subject | Broadband | en_US |
dc.subject | Double negativity | en_US |
dc.subject | Multi-cavity topology | en_US |
dc.subject | Multi-polar resonance | en_US |
dc.subject | Robust characteristics | en_US |
dc.title | Robust 2D/3D multi-polar acoustic metamaterials with broadband double negativity | en_US |
dc.type | Journal/Magazine Article | en_US |
dc.identifier.volume | 137 | - |
dc.identifier.doi | 10.1016/j.jmps.2020.103889 | - |
dcterms.abstract | Acoustic negative-index metamaterials show promise in achieving superlensing for diagnostic medical imaging. In spite of the recent progress made in this field, most acoustic metamaterials (AMMs) suffer from deficiencies such as low spatial symmetry, sophisticated labyrinth topologies and narrow-band features, which hamper their applications for symmetric subwavelength imaging. To overcome the hurdle of designing practical negative-index metamaterials, in this paper, we propose a novel category of robust multi-cavity metamaterials and reveal their common double-negative mechanism enabled by multi-polar (dipole, quadrupole and octupole) resonances in both two-dimensional (2D) and three-dimensional (3D) scenarios. In particular, we discover explicit relationships governing the double-negative frequency bounds from equivalent circuit analogy. For the first time, we construct a simple, highly-symmetric and intuitionistic 3D AMM by exploiting the multi-cavity topological features. This entails the broadband single-source and double-source subwavelength imaging, which is demonstrated and verified by 2D and 3D superlens both numerically and experimentally. Moreover, the analogical 3D superlens can ensure the subwavelength imaging in all directions. The proposed multi-polar resonance-enabled robust metamaterials and design methodology open horizons for easier manipulation of subwavelength waves and realization of practical 3D metamaterial devices. | - |
dcterms.accessRights | open access | en_US |
dcterms.bibliographicCitation | Journal of the mechanics and physics of solids, Apr. 2020, v. 137, 103889 | - |
dcterms.isPartOf | Journal of the mechanics and physics of solids | - |
dcterms.issued | 2020-04 | - |
dc.identifier.scopus | 2-s2.0-85078917314 | - |
dc.identifier.eissn | 1873-4782 | - |
dc.identifier.artn | 103889 | - |
dc.description.validate | 202405 bcch | - |
dc.description.oa | Accepted Manuscript | en_US |
dc.identifier.FolderNumber | ME-0290 | en_US |
dc.description.fundingSource | Others | en_US |
dc.description.fundingText | Hong Kong Scholars Program; National Natural Science Foundation of China; Postdoctoral Science Foundation; Fundamental Research Funds for the Central Universities; Sino-German Joint Research Program; German Research Foundation | en_US |
dc.description.pubStatus | Published | en_US |
dc.identifier.OPUS | 20535597 | en_US |
dc.description.oaCategory | Green (AAM) | en_US |
Appears in Collections: | Journal/Magazine Article |
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File | Description | Size | Format | |
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Dong_Robust_2D_Multi-Polar.pdf | Pre-Published version | 2.33 MB | Adobe PDF | View/Open |
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