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@INBOOK{Schfer:454662,
      author       = {Schäfer, Bernd and Flöter, Bernhard and Mey, Tobias and
                      Mann, Klaus},
      title        = {{W}avefront and {C}oherence {C}haracteristics of {E}xtreme
                      {UV} and {S}oft {X}-ray {S}ources},
      volume       = {134},
      address      = {Cham},
      publisher    = {Springer International Publishing},
      reportid     = {PUBDB-2021-00656},
      isbn         = {978-3-030-34412-2 (print)},
      series       = {Topics in Applied Physics},
      pages        = {531 - 548},
      year         = {2020},
      comment      = {Nanoscale Photonic Imaging / Salditt, Tim (Editor) ; Cham :
                      Springer International Publishing, 2020, Chapter 20 ; ISSN:
                      0303-4216=1437-0859 ; ISBN:
                      978-3-030-34412-2=978-3-030-34413-9 ;
                      doi:10.1007/978-3-030-34413-9},
      booktitle     = {Nanoscale Photonic Imaging / Salditt,
                       Tim (Editor) ; Cham : Springer
                       International Publishing, 2020, Chapter
                       20 ; ISSN: 0303-4216=1437-0859 ; ISBN:
                       978-3-030-34412-2=978-3-030-34413-9 ;
                       doi:10.1007/978-3-030-34413-9},
      abstract     = {The first part of this chapter comprises setups and results
                      of the determination of wavefront and beam parameters for
                      different EUV sources (free-electron lasers, HHG-sources,
                      synchrotron radiation) by self supporting Hartmann-Sensors.
                      We present here i.a. a sensor applied for alignment of the
                      ellipsodial mirror at FLASH beamline 2, yielding a reduction
                      of the rms-wavefront aberrations by more than a factor of 3.
                      In the second part we report on the characterization of the
                      Free-Electron-Laser FLASH at DESY by a quantitative
                      determination of the Wigner distribution function. The
                      setup, comprising an ellipsodial mirror and a moveable
                      extreme UV sensitive CCD detector, enables the mapping of
                      two-dimensional phase space corresponding to the horizontal
                      and vertical coordinate axes, respectively. Furthermore, an
                      extended setup utilizing a torodial mirror for complete
                      4D-Wigner reconstruction has been accomplished and tested
                      using radiation from a multimode Nd:VO4 laser.},
      cin          = {DOOR ; HAS-User},
      ddc          = {620},
      cid          = {I:(DE-H253)HAS-User-20120731},
      pnm          = {6G2 - FLASH (POF3-622)},
      pid          = {G:(DE-HGF)POF3-6G2},
      experiment   = {EXP:(DE-H253)F-BL2-20150101},
      typ          = {PUB:(DE-HGF)7},
      UT           = {WOS:000546519000021},
      doi          = {10.1007/978-3-030-34413-9_20},
      url          = {https://bib-pubdb1.desy.de/record/454662},
}