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Enhanced quality factors at resonance in acoustofluidic cavities embedded in matched elastic metamaterials

Fluid Dynamics 2025-10-30 v1
Authors: Valdemar Frederiksen , Henrik Bruus
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Abstract

We show that by embedding liquid-filled acoustofluidic cavities in a metamaterial, the quality factor of the cavity at selected acoustic resonance modes can be enhanced by 2 to 3 orders of magnitude relative to a comparable conventional cavity by matching the coarse-grained elastic moduli of the metamaterial to the acoustic properties of the liquid.

Keywords

acoustofluidic cavities quality factor elastic metamaterials acoustic resonance carrier depletion

Cite

@article{arxiv.2510.25527,
  title  = {Enhanced quality factors at resonance in acoustofluidic cavities embedded in matched elastic metamaterials},
  author = {Valdemar Frederiksen and Henrik Bruus},
  journal= {arXiv preprint arXiv:2510.25527},
  year   = {2025}
}

Comments

9 pages, 6 pdf-figures

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