Elastic three-dimensional metaframe for selective wave filtering and polarization control
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arXiv
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| Hauptverfasser: | , , , |
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| Format: | Preprint |
| Veröffentlicht: |
2021
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| _version_ | 1866910492380889088 |
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| author | De Ponti, Jacopo M. Riva, Emanuele Braghin, Francesco Ardito, Raffaele |
| author_facet | De Ponti, Jacopo M. Riva, Emanuele Braghin, Francesco Ardito, Raffaele |
| contents | We experimentally achieve selective wave filtering and polarization control in a three-dimensional elastic frame embedding local resonators. By connecting multi-resonating elements to a frame structure, a complete low-frequency, subwavelength bandgap with strong selective filtering properties is obtained. Theory and experiments demonstrate the metaframe capability to selectively stop transverse waves while allowing longitudinal wave propagation, as in 'fluid-like' elasticity. This peculiar behaviour, together with the complete bandgap structure, may open opportunities in the context of wave control, envisaging concurrent applications for three-dimensional filters and elastic wave polarizers. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2111_06866 |
| institution | arXiv |
| publishDate | 2021 |
| record_format | arxiv |
| spellingShingle | Elastic three-dimensional metaframe for selective wave filtering and polarization control De Ponti, Jacopo M. Riva, Emanuele Braghin, Francesco Ardito, Raffaele Classical Physics We experimentally achieve selective wave filtering and polarization control in a three-dimensional elastic frame embedding local resonators. By connecting multi-resonating elements to a frame structure, a complete low-frequency, subwavelength bandgap with strong selective filtering properties is obtained. Theory and experiments demonstrate the metaframe capability to selectively stop transverse waves while allowing longitudinal wave propagation, as in 'fluid-like' elasticity. This peculiar behaviour, together with the complete bandgap structure, may open opportunities in the context of wave control, envisaging concurrent applications for three-dimensional filters and elastic wave polarizers. |
| title | Elastic three-dimensional metaframe for selective wave filtering and polarization control |
| topic | Classical Physics |
| url | https://arxiv.org/abs/2111.06866 |