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Appi, E. [Author]; Papadopoulou, C.C. [Author]; Mapa, J.L. [Author]; Jusko, C. [Author]; Mosel, P. [Author]; Schoenberg, A. [Author]; Stock, J. [Author]; Feigl, T. [Author]; Ališauskas, S. [Author]; Lang, T. [Author]; Heyl, C.M. [Author]; Manschwetus, B. [Author]; Brachmanski, M. [Author]; Braune, M. [Author]; Lindenblatt, H. [Author]; Trost, F. [Author]; Meister, S. [Author]; Schoch, P. [Author]; Trabattoni, A. [Author]; Calegari, F. [Author]; Treusch, R. [Author]; Moshammer, R. [Author]; Hartl, I. [Author]; Morgner, U. [Author];

Synchronized beamline at FLASH2 based on high-order harmonic generation for two-color dynamics studies - [published Version]

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  • Media type: Text; E-Article
  • Title: Synchronized beamline at FLASH2 based on high-order harmonic generation for two-color dynamics studies
  • Contributor: Appi, E. [Author]; Papadopoulou, C.C. [Author]; Mapa, J.L. [Author]; Jusko, C. [Author]; Mosel, P. [Author]; Schoenberg, A. [Author]; Stock, J. [Author]; Feigl, T. [Author]; Ališauskas, S. [Author]; Lang, T. [Author]; Heyl, C.M. [Author]; Manschwetus, B. [Author]; Brachmanski, M. [Author]; Braune, M. [Author]; Lindenblatt, H. [Author]; Trost, F. [Author]; Meister, S. [Author]; Schoch, P. [Author]; Trabattoni, A. [Author]; Calegari, F. [Author]; Treusch, R. [Author]; Moshammer, R. [Author]; Hartl, I. [Author]; Morgner, U. [Author];
  • imprint: [Erscheinungsort nicht ermittelbar] : American Institute of Physics, 2021
  • Published in: Review of Scientific Instruments 92 (2021), Nr. 12 ; Review of Scientific Instruments
  • Issue: published Version
  • Language: English
  • DOI: https://doi.org/10.15488/15561; https://doi.org/10.1063/5.0063225
  • ISSN: 0034-6748
  • Keywords: Beam-lines ; Harmonic generation ; Color dynamics ; Electrons ; Design integrations
  • Origination:
  • Footnote: Diese Datenquelle enthält auch Bestandsnachweise, die nicht zu einem Volltext führen.
  • Description: We present the design, integration, and operation of the novel vacuum ultraviolet (VUV) beamline installed at the free-electron laser (FEL) FLASH. The VUV source is based on high-order harmonic generation (HHG) in gas and is driven by an optical laser system synchronized with the timing structure of the FEL. Ultrashort pulses in the spectral range from 10 to 40 eV are coupled with the FEL in the beamline FL26, which features a reaction microscope (REMI) permanent endstation for time-resolved studies of ultrafast dynamics in atomic and molecular targets. The connection of the high-pressure gas HHG source to the ultra-high vacuum FEL beamline requires a compact and reliable system, able to encounter the challenging vacuum requirements and coupling conditions. First commissioning results show the successful operation of the beamline, reaching a VUV focused beam size of about 20 μm at the REMI endstation. Proof-of-principle photo-electron momentum measurements in argon indicate the source capabilities for future two-color pump-probe experiments.
  • Access State: Open Access
  • Rights information: Attribution (CC BY)