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Broadband subwavelength imaging of flexural elastic waves in flat phononic crystal lenses
Subwavelength imaging of elastic/acoustic waves using phononic crystals (PCs) is limited to a narrow frequency range via the two existing mechanisms that utilize either the intense Bragg scattering in the first phonon band or negative effective properties (left-handed material) in the second (or hig...
| Autores principales: | , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Nature Publishing Group UK
2023
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10163228/ https://www.ncbi.nlm.nih.gov/pubmed/37147434 http://dx.doi.org/10.1038/s41598-023-34314-5 |