Probing Low-Frequency Vibrational Motion in Bacterial Reaction Centers by Femtosecond Absorption Spectroscopy

  • M. H. Vos
  • F. Rappaport
  • J.-Ch. Lambry
  • J. Breton
  • J.-L. Martin
Part of the Springer Proceedings in Physics book series (SPPHY, volume 74)


Oscillatory features in the stimulated emission kinetics of chromatophores containing Rhodobacter capsulatus DLL reaction centers reflect vibrational motion on the excited state potential energy surface. The dependence of the features on the probe wavelength is discussed with an emphasis on the detection of overtones.


Wave Packet Potential Energy Surface Pump Pulse Oscillatory Part Bacterial Reaction Center 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1994

Authors and Affiliations

  • M. H. Vos
    • 1
  • F. Rappaport
    • 1
  • J.-Ch. Lambry
    • 1
  • J. Breton
    • 2
  • J.-L. Martin
    • 1
  1. 1.Laboratoire d’Optique Appliquée, INSERM U275Ecole Polytechnique-ENSTAPalaiseauFrance
  2. 2.Service de Biophysique, Département de BiologieCentre d’Etudes Nucléaires de SaclayGif-sur-Yvette CedexFrance

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