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Directional Ultrasound Source for Solid Materials Inspection: Diffraction Management in a Metallic Phononic Crystal
In this work, we numerically investigate the diffraction management of longitudinal elastic waves propagating in a two-dimensional metallic phononic crystal. We demonstrate that this structure acts as an “ultrasonic lens”, providing self-collimation or focusing effect at a certain distance from the...
| Autores principales: | , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
MDPI
2020
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7662396/ https://www.ncbi.nlm.nih.gov/pubmed/33137989 http://dx.doi.org/10.3390/s20216148 |