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Published on: May 9, 2021
Underwater acoustic signals induced by intense ultrashort laser pulse
Yohann Brelet1, Amélie Jarnac1, Jérôme Carbonnel1
1Laboratoire d'Optique Appliquée, École Nationale Supérieure de Techniques Avancées ParisTech, Ecole Polytechnique, CNRS, 91762 Palaiseau, France yohann.brelet@ipcms.unistra.fr, amelie.jarnac@fysik.lth.se, jerome.carbonnel@ensta-paristech.fr, yves-bernard.andre@ensta-paristech.fr, andre.mysyrowicz@ensta-paristech.fr, aurelien.houard@ensta-paristech.fr.
Abstract:
Acoustic signals generated in water by terawatt (TW) laser pulses undergoing filamentation are studied. The acoustic signal has a very broad spectrum, spanning from 0.1 to 10 MHz and is confined in the plane perpendicular to the laser direction. Such a source appears to be promising for the development of remote laser based acoustic applications.
