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@ARTICLE{Appi:438673,
      author       = {Appi, Elisa and Papadopoulou, Christina and Mapa, Jose
                      Louise and Wesavkar, Nishad and Jusko, Christoph and Mosel,
                      Philip and Alisauskas, Skirmantas and Lang, Tino and Heyl,
                      Christoph M. and Manschwetus, Bastian and Brachmanski,
                      Maciej and Braune, Markus and Lindenblatt, Hannes and Trost,
                      Florian and Meister, Severin and Schoch, Patrizia and
                      Treusch, Rolf and Moshammer, Robert and Hartl, Ingmar and
                      Morgner, Uwe and Kovacev, Milutin},
      title        = {{A} synchronized {VUV} light source based on high-order
                      harmonic generation at {FLASH}},
      journal      = {Scientific reports},
      volume       = {10},
      number       = {1},
      issn         = {2045-2322},
      address      = {[London]},
      publisher    = {Macmillan Publishers Limited, part of Springer Nature},
      reportid     = {PUBDB-2020-02132},
      pages        = {6867},
      year         = {2020},
      abstract     = {Ultrafast measurements in the extreme ultraviolet (XUV)
                      spectral region targeting femtosecond timescales rely until
                      today on two complementary XUV laser sources: free electron
                      lasers (FELs) and high-harmonic generation (HHG) based
                      sources. The combination of these two source types was until
                      recently not realized. The complementary properties of both
                      sources including broad bandwidth, high pulse energy,
                      narrowband tunability and femtosecond timing, open new
                      opportunities for two-color pump-probe studies. Here we show
                      first results from the commissioning of a high-harmonic
                      beamline that is fully synchronized with the free-electron
                      laser FLASH, installed at beamline FL26 with permanent
                      end-station including a reaction microscope (REMI). An
                      optical parametric amplifier synchronized with the FEL burst
                      mode drives the HHG process. First commissioning tests
                      including electron momentum measurements using REMI,
                      demonstrate long-term stability of the HHG source over more
                      than 14 hours. This realization of the combination of these
                      light sources will open new opportunities for time-resolved
                      studies targeting different science cases including
                      core-level ionization dynamics or the electron dynamics
                      during the transformation of a molecule within a chemical
                      reaction probed on femtosecond timescales in the ultraviolet
                      to soft X-ray spectral region.},
      cin          = {DOOR ; HAS-User / FS-LA / FS-FLASH-O / FS-FLASH-B},
      ddc          = {600},
      cid          = {I:(DE-H253)HAS-User-20120731 / I:(DE-H253)FS-LA-20130416 /
                      I:(DE-H253)FS-FLASH-O-20160930 /
                      I:(DE-H253)FS-FLASH-B-20160930},
      pnm          = {6211 - Extreme States of Matter: From Cold Ions to Hot
                      Plasmas (POF3-621) / 6G2 - FLASH (POF3-622)},
      pid          = {G:(DE-HGF)POF3-6211 / G:(DE-HGF)POF3-6G2},
      experiment   = {EXP:(DE-H253)F-FL26-20150901},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:32322051},
      UT           = {WOS:000560329100002},
      doi          = {10.1038/s41598-020-63019-2},
      url          = {https://bib-pubdb1.desy.de/record/438673},
}