Imaging acoustic waves in microscopic wedges

Imaging acoustic waves in microscopic wedges

Using an ultrafast optical technique we image near-gigahertz flexural acoustic waves propagating in a thin gold wedge deposited on an ultrathin silicon nitride slab. Temporal Fourier transforms of the imaged data in two dimensions allow individual frequencies to be accessed. The wave fronts associat...

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Bibliographic Details
Main Authors:	Motonobu Tomoda, Shinnosuke Matsueda, Paul H Otsuka, Osamu Matsuda, Istvan A Veres, Vitalyi E Gusev, Oliver B Wright
Format:	Article
Language:	English
Published:	IOP Publishing 2014-01-01
Series:	New Journal of Physics
Subjects:	wedge Lamb waves acoustics imaging ultrafast
Online Access:	https://doi.org/10.1088/1367-2630/16/10/103029

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