Papers
Release Time: 2025-04-30Hits:
- Date:2025-04-30
- Title of Paper:Acoustic bi-anisotropy in asymmetric acoustic metamaterials
- Journal:Applied Physics Express
- Summary:We report the experimental realization of acoustic bi-anisotropy by asymmetric acoustic metamaterials (AAMs). Asymmetric phases of reflection
coefficients are achieved in different-bilayer AAM with different resonant properties on either side, and asymmetric amplitudes of reflection
coefficients are achieved by introducing material loss. The existence of acoustic bi-anisotropy means that the effective parameters on either side
are asymmetric. A modified direct method is presented to obtain unified effective parameters, and the calculated unified effective parameters meet
the requirements of passive metamaterials. This work explores acoustic bi-anisotropy in asymmetric structures, and provides new avenues to tailor
reflection waves. - Co-author:Yicai Xu, Jiu Hui Wu, Yongqing Cai, Fuyin Ma
- Volume:Vol.13, 2020
- Page Number:106503 (5 Pages)
- Translation or Not:No
- Date of Publication:2020-09-09
