Omni-directional and broadband acoustic anti-reflection and universal acoustic impedance matching
The mechanism of the perfect anti-reflection of acoustic waves, regardless of frequency and incident angle, is presented. We show that reflections at a planar interface between two different acoustic media can be removed by adding a nonlocal metamaterial that compensates for the impedance mismatch....
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| Autors principals: | , |
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
Wiley
2022-02-01
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| Col·lecció: | Nanophotonics |
| Matèries: | |
| Accés en línia: | https://doi.org/10.1515/nanoph-2021-0650 |
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