Focusing higher-order Lamb waves based on the Luneburg lens

Focusing higher-order Lamb waves based on the Luneburg lens

In order to improve the spatial resolution and the signal-to-noise ratio of Lamb waves in structural health monitoring systems or non-destructive testing techniques, this study presents the construction of Luneburg lenses for focusing higher-order Lamb waves based on the thickness variation. The dis...

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Bibliographic Details
Main Authors: Tianming Ye, Shengzeng Zhou, Xuanmin Du, Jiaqi Liu
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-04-01
Series:Frontiers in Physics
Subjects:
higher-order Lamb waves
Luneburg lens
refractive index
wave focusing phenomenon
ultrasound
Online Access:https://www.frontiersin.org/articles/10.3389/fphy.2023.1128265/full

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