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Three-dimensional collimated self-accelerating beam through acoustic metascreen

We report the generation of three-dimensional acoustic collimated self-accelerating beam in non-paraxial region with sourceless metascreen. Acoustic metascreen with deep subwavelength spatial resolution, composed of hybrid structures combining four Helmholtz resonators and a straight pipe, transmitt...

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Detalhes bibliográficos
Publicado no:Sci Rep
Main Authors: Li, Yong, Assouar, M. Badreddine
Formato: Artigo
Idioma:Inglês
Publicado em: Nature Publishing Group 2015
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC4664955/
https://ncbi.nlm.nih.gov/pubmed/26620488
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/srep17612
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