Chapter

Ultrafast Phenomena XV

Volume 88 of the series Springer Series in Chemical Physics pp 716-718

Lattice Motions from THz phonon polaritons measured with Femtosecond X-ray Diffraction

  • A. CavalleriAffiliated withDepartment of Physics, Clarendon Laboratory, University of Oxford
  • , S. WallAffiliated withDepartment of Physics, Clarendon Laboratory, University of Oxford
  • , M. RiniAffiliated withLawrence Berkeley National Laboratory
  • , C. SimpsonAffiliated withDepartment of Physics, Clarendon Laboratory, University of Oxford
  • , N. DeanAffiliated withDepartment of Physics, Clarendon Laboratory, University of Oxford
  • , M. KhalilAffiliated withLawrence Berkeley National Laboratory
  • , E. StatzAffiliated withDepartment of Physics, Clarendon Laboratory, University of OxfordLawrence Berkeley National LaboratoryDepartment of Chemistry, Massachussets Institute of Technology
  • , D. W. WardAffiliated withDepartment of Chemistry, Massachussets Institute of Technology
  • , K. A. NelsonAffiliated withDepartment of Chemistry, Massachussets Institute of Technology
    • , R. W. SchoenleinAffiliated withLawrence Berkeley National Laboratory

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Abstract

We use femtosecond x-ray diffraction to measure the coherent lattice displacements associated with the excitation and propagation of THz phonon polaritons in LiTaO3.