Time-domain imaging of gigahertz surface waves on an acoustic metamaterial

Time-domain imaging of gigahertz surface waves on an acoustic metamaterial

We extend time-domain imaging in acoustic metamaterials to gigahertz frequencies. Using a sample consisting of a regular array of ∼1 μ m diameter silica microspheres forming a two-dimensional triangular lattice on a substrate, we implement an ultrafast technique to probe surface acoustic wave propag...

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Bibliographic Details
Main Authors: Paul H Otsuka, Sylvain Mezil, Osamu Matsuda, Motonobu Tomoda, Alexei A Maznev, Tian Gan, Nicholas Fang, Nicholas Boechler, Vitalyi E Gusev, Oliver B Wright
Format: Article
Language:English
Published: IOP Publishing 2018-01-01
Series:New Journal of Physics
Subjects:
acoustic
gigahertz
metamaterial
imaging
surface acoustic waves
time domain
Online Access:https://doi.org/10.1088/1367-2630/aa9298

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