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Rock property assessment using laser‐generated acoustic waves

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2 Author(s)
Hutchins, D.A. ; Department of Engineering, University of Warwick, Coventry CV4 7AL, England ; Young, R.P.

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A pulsed laser has been used to generate wide bandwidth acoustic pulses in a range of rock samples in the laboratory. A nonresonant piezoelectric transducer was used as the detector. This system can measure longitudinal and shear wave velocities simultaneously, from a single waveform, and can also be used to determine frequency‐dependent attenuation in the MHz region. Values of a quality factor (Q) for longitudinal waves are evaluated.

Published in:

Review of Scientific Instruments  (Volume:62 ,  Issue: 8 )