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The European Physical Journal Special Topics

, Volume 153, Issue 1, pp 243–246 | Cite as

Detection of shear picosecond acoustic pulses by transient femtosecond polarimetry

  • D. Mounier
  • E. Morozov
  • P. Ruello
  • J.-M. Breteau
  • P. Picart
  • V. Gusev
Article

Abstract.

Femtosecond transient polarimetry has been applied for the detection picosecond acoustic pulses generated in a thin film of zinc oxide (ZnO) deposited on an anisotropic zinc crystal surface. The measurements of the variations of the azimutal and the ellipticity angles describing the ultrafast variations of the state of polarisation (SOP) of the reflected light have been obtained. These polarimetric signals, interpreted as a SOP path on the Poincaré sphere, provide a sensitive method to detect acoustic echoes, particularly for shear acoustic pulses.

Keywords

European Physical Journal Special Topic Ellipticity Angle Acoustic Pulse Polarize Beam Splitter Probe Polarization 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2008

Authors and Affiliations

  • D. Mounier
    • 1
  • E. Morozov
    • 1
  • P. Ruello
    • 1
  • J.-M. Breteau
    • 1
  • P. Picart
    • 2
  • V. Gusev
    • 1
  1. 1.LPEC, UMR CNRS 6087, Université du MaineLe MansFrance
  2. 2.LAUM, UMR CNRS 6613, Université du MaineLe MansFrance

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