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Theoretical requirements for broadband perfect absorption of acoustic waves by ultra-thin elastic meta-films
We derive and numerically demonstrate that perfect absorption of elastic waves can be achieved in two types of ultra-thin elastic meta-films: one requires a large value of almost pure imaginary effective mass density and a free space boundary, while the other requires a small value of almost pure im...
| Autores principales: | , , , , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Nature Publishing Group
2015
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4505311/ https://www.ncbi.nlm.nih.gov/pubmed/26184117 http://dx.doi.org/10.1038/srep12139 |