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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 7: Synchrotron Radiation and FELs

AKBP 7.4: Vortrag

Donnerstag, 23. März 2017, 10:15–10:30, MOL 213

Ultrashort VUV Synchrotron Radiation Pulses at DELTA — •M. Suski¹, F.H. Bahnsen¹, M. Bolsinger¹, B. Büsing¹, S. Cramm², S. Döring^2,3, M. Gehlmann^2,3, F. Götz¹, S. Hilbrich¹, S. Khan¹, M. Jebramcik¹, N.M. Lockman¹, C. Mai¹, A. Meyer auf der Heide¹, R. Niemczyk¹, M. Plötzing^2,3, L. Plucinski², B. Riemann¹, G. Shayeganrad¹, P. Ungelenk¹, S. Xiao³, U. Bovensiepen³, and C.M. Schneider^2,3 — ¹Center for Synchrotron Radiation (DELTA), TU Dortmund University, Dortmund, Germany — ²Peter Grünberg Institute, PGI-6, FZ-Jülich GmbH, Jülich, Germany — ³Experimental Physics, University of Duisburg-Essen, Duisburg, Germany

The 1.5-GeV synchrotron light source DELTA, operated by the TU Dortmund University, provides femtosecond pulses in the VUV regime using the coherent harmonic generation (CHG) technique. A laser-induced energy modulation of electrons in a thin slice of the electron bunch is converted into a density modulation corresponding to the laser wavelength, which gives rise to coherent radiation at harmonics of the laser wavelength. Measurements with a single-shot spectrometer based on a gated image-intensified CCD camera were carried out in order to better understand and optimize the CHG radiation. Furthermore, a proof-of-principle pump-probe experiment employing the CHG radiation has been performed.