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Laser picosecond acoustics in isotropic and anisotropic materials

Hurley, D. H. and Wright, O. B. and Matsuda, O. and Gusev, V. E. and Kolosov, Oleg (2000) Laser picosecond acoustics in isotropic and anisotropic materials. Ultrasonics, 38 (1-8). pp. 470-474. ISSN 0041-624X

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Abstract

We present experimental results concerning the laser generation of picosecond acoustic pulses and their propagation in isotropic and anisotropic materials. We make use of a conventional reflectance detection technique as well as interferometric detection to probe the real and imaginary changes in reflectance. We also demonstrate the detection of transverse acoustic waves by mode conversion at an interface between an isotropic polycrystalline film and an anisotropic substrate.

Item Type: Article
Journal or Publication Title: Ultrasonics
Uncontrolled Keywords: Acoustics ; Anisotropic ; Interferometry thin film ; Isotropic ; Laser ; Picosecond ; Reflectance ; Shear ; Transverse acoustic wave ; Ultrafast phenomena
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 57439
Deposited By: ep_importer_pure
Deposited On: 09 Oct 2012 09:58
Refereed?: Yes
Published?: Published
Last Modified: 09 Oct 2012 09:58
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/57439

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