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Femtosecond laser-induced pulsed ultrasound source in water

  • Y. Brelet
  • , A. Jarnac
  • , A. Houard
  • , R. Guillermin
  • , J. P. Sessarego
  • , J. Carbonnel
  • , Y. B. Andre
  • , D. Fattaccioli
  • , A. Mysyrowicz
  • Laboratory d'Optique Appliquée, ENSTA, CNRS-École Polytechnique
  • CNRS UPR 7051
  • DGA/TN

Research output: Contribution to conferencePaperpeer-review

Abstract

The propagation of intense ultrashort laser pulses in water is affected by group velocity dispersion and nonlinear effects such as self-focusing and multiphoton absorption [1]. For a laser beam with an input peak power exceeding a few MW propagating in water, a filamentation phenomenon can occur producing a self contraction of the beam accompanied by the formation of an extended plasma channel [2]. Recent reports have suggested that femtosecond lasers could be exploited for the development of a remote underwater acoustic source [3, 4].

Original languageEnglish
DOIs
Publication statusPublished - 1 Jan 2013
Event2013 Conference on Lasers and Electro-Optics Europe and International Quantum Electronics Conference, CLEO/Europe-IQEC 2013 - Munich, Germany
Duration: 12 May 201316 May 2013

Conference

Conference2013 Conference on Lasers and Electro-Optics Europe and International Quantum Electronics Conference, CLEO/Europe-IQEC 2013
Country/TerritoryGermany
CityMunich
Period12/05/1316/05/13

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