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Start Over Author "Sarah Benchabane" Journal 2006 ieee ultrasonics symposium
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1. 6E-5 High Frequency Surface Waves Scattered in Microstructured Phononic Crystals

Author

Udo Lang, Dieter M. Profunser, Osamu Matsuda, K. Abdelkrim, Sarah Benchabane, V. Laude, and Oliver B. Wright

Subjects
Physics, business.industry, Acoustics, Surface acoustic wave, Physics::Optics, symbols.namesake, Optics, Fourier transform, Surface wave, Broadband, symbols, Acoustic metamaterials, Rayleigh wave, Electronic band structure, business, Ultrashort pulse
Abstract

Using an ultrafast optical technique, broadband surface acoustic wave packets are tracked on 1D and 2D phononic crystals in two dimensions in real time at frequencies up to ~1 GHz. The acoustic band structure is obtained from the data by means of a spatiotemporal Fourier transform. We find stop bands for both leaky longitudinal and Rayleigh waves

Published
2006
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