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Focusing of acoustic waves by flat lenses made from negatively refracting two-dimensional phononic crystals
We investigate the phenomenon of imaging of elastic waves with flat lenses constituted of negatively refracting materials. We derive an analytical solution for the acoustic field produced by a point source near a flat lens composed of a homogeneous acoustic metamaterial (i.e. negative density and ne...
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| Vydáno v: | Revista Mexicana de Física |
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| Hlavní autoři: | , , , , |
| Médium: | Artigo |
| Jazyk: | Inglês |
| Vydáno: |
Sociedad Mexicana de Física A.C.
2008
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| Témata: | |
| On-line přístup: | https://www.redalyc.org/articulo.oa?id=57019061011 |
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