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51368 |
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|a dc
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|a Andrieu, S.
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|a Massachusetts Institute of Technology. Institute for Soldier Nanotechnologies
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|a Massachusetts Institute of Technology. Department of Chemistry
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|a Nelson, Keith Adam
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|a Nelson, Keith Adam
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|a Pezeril, Thomas
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|a Klieber, Christoph
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|a Klieber, Christoph
|e author
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|a Nelson, Keith Adam
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|a Pezeril, Thomas
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|a Optical Generation of Gigahertz-Frequency Shear Acoustic Waves in Liquid Glycerol
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|b American Physical Society,
|c 2010-02-05T14:58:59Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/51368
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|a Picosecond laser ultrasonic techniques for acoustic wave generation and detection have been employed to probe shear acoustic waves in liquid glycerol at gigahertz frequencies. The experimental approach uses a unique laser pulse shaping technique and a crystallographically canted metal layer to generate frequency-tunable transverse acoustic waves, and uses time-domain coherent Brillouin scattering to detect the waves after they propagate through a liquid layer and into a solid substrate. A linear frequency dependence is found for both the shear speed and attenuation rate in glycerol.
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|a National Science Foundation
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|a Department of Energy
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|a en_US
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|a Article
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|t Physical Review Letters
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