Towards altering sound frequency at will by a linear meta-layer with time-varying and quantized properties

Temporal modulation materials have been attracting attention thanks to their ability to break wave reciprocity, i.e., waves traveling from point A to B are identical to waves propagating from B to A. The authors present a linear temporal modulation device with a giant acoustic impedance modulation r...

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Bibliographic Details
Main Authors: Yumin Zhang, Keming Wu, Chunqi Wang, Lixi Huang
Format: article
Language:EN
Published: Nature Portfolio 2021
Subjects:
Online Access:https://doaj.org/article/5e5bb1c0680c4599a49469c4a12d7514
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