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Bidirectional acoustic negative refraction based on a pair of metasurfaces with both local and global PT-symmetries
Negative refraction plays an important role in acoustic wave manipulation and imaging. However, conventional systems based on acoustic metamaterials suffer from the limits induced by loss-related and resolution issues. In this work, a parity-time (PT)-symmetric system is introduced to realize loss-f...
Gorde:
| Argitaratua izan da: | Sci Rep |
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| Egile Nagusiak: | , , , , |
| Formatua: | Artigo |
| Hizkuntza: | Inglês |
| Argitaratua: |
Nature Publishing Group UK
2020
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| Gaiak: | |
| Sarrera elektronikoa: | https://ncbi.nlm.nih.gov/pmc/articles/PMC7330048/ https://ncbi.nlm.nih.gov/pubmed/32612196 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41598-020-67793-x |
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