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Broadband focusing and collimation of water waves by zero refractive index
It is always a challenge to realize extreme and unusual values of refractive index for a broad range of frequencies. We show that when water is covered by a thick, rigid and unmovable plate, it behaves like a medium with zero refractive index for water waves at any frequency. Hence, by covering wate...
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| Pubblicato in: | Sci Rep |
|---|---|
| Autori principali: | , , |
| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
Nature Publishing Group
2014
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| Soggetti: | |
| Accesso online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4225562/ https://ncbi.nlm.nih.gov/pubmed/25381845 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/srep06979 |
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