Numerical and experimental studies of the generation of ultrasound by laser

Abstract : We present an analytical 1D model of the laser generation of ultrasound that takes the optical penetration effect and the time profile of the laser pulse into account. This model leads to simple expressions for the time position and width of the precursor. The results of this model are compared to experimental data. We also present numerical and experimental directivity patterns of samples having various optical penetration depths.
Type de document :
Communication dans un congrès
8th International Topical Meeting on Photoacoustic and Photothermal Phenomena, Jan 1994, Pointe-à-Pitre, France. 4 (C7), Journal de Physique 4
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Dernière modification le : mercredi 29 novembre 2017 - 15:28:58
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Marc Dubois, Franck Enguehard, Lionel Bertrand, Marc Choquet, Jean-Pierre Monchalin. Numerical and experimental studies of the generation of ultrasound by laser. 8th International Topical Meeting on Photoacoustic and Photothermal Phenomena, Jan 1994, Pointe-à-Pitre, France. 4 (C7), Journal de Physique 4. 〈hal-01289596〉

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