Author: Döring, S.
Paper Title Page
WEPAB009 Pilot Experiments and New Developments at the DELTA Short-Pulse Facility 2578
 
  • S. Khan, B. Büsing, F. Götz, M.A. Jebramcik, N.M. Lockmann, C. Mai, A. Meyer auf der Heide, R. Niemczyk, B. Riemann, G. Shayeganrad, M. Suski, P. Ungelenk, D. Zimmermann
    DELTA, Dortmund, Germany
  • U. Bovensiepen, S. Döring, A. Eschenlohr, M. Ligges, L. Plucinski, M. Plötzing, C.M. Schneider, S. Xiao
    Universität Duisburg-Essen, Duisburg, Germany
  • S. Cramm
    Forschungszentrum Jülich, Peter-Gruenberg-Institut-6, Jülich, Germany
  • M. Gehlmann
    Forschungszentrum Jülich, Peter Gruenberg Institut, Jülich, Germany
 
  Funding: BMBF 05K16PEA, BMBF 05K16PEB, Mercur Pr-2014-0047
At the 1.5-GeV synchrotron light source DELTA operated by the TU Dortmund University, ultrashort radiation pulses in the vacuum ultraviolet (VUV) and terahertz (THz) regime are routinely generated by the interaction of electron bunches with femtosecond laser pulses. A laser-induced energy modulation is converted into a density modulation (microbunching) by a magnetic chicane, leading to coherent emission at harmonics of the initial laser wavelength (coherent harmonic generation, CHG). Path length differences of the energy-modulated electrons along the magnetic lattice lead to a dip in the longitudinal charge distribution, which gives rise to the coherent emission of THz radiation. In first pump-probe photoemission experiments, the spatial and temporal overlap of laser pump and CHG probe pulse on the sample was demonstrated. Furthermore, the effect of two temporally separated seed pulses was studied in the VUV and (sub-)THz regime.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-WEPAB009  
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