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Design of an acoustic superlens using single-phase metamaterials with a star-shaped lattice structure
We propose a single-phase super lens with a low density that can achieve focusing of sound beyond the diffraction limit. The super lens has a star-shaped lattice structure made of steel that offers abundant resonances to produce abnormal dispersive effects as determined by negative parameter indices...
| Autores principales: | , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Nature Publishing Group UK
2018
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5789898/ https://www.ncbi.nlm.nih.gov/pubmed/29382848 http://dx.doi.org/10.1038/s41598-018-19374-2 |