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@ARTICLE{MohammadiBidhendi:619185,
      author       = {Mohammadi Bidhendi, Mahdi and Bermudez Macias, Ivette
                      Jazmin and Ivanov, Rosen and Yurkov, Mikhail and Duesterer,
                      Stefan},
      title        = {{C}haracterization of free-electron laser third harmonic
                      radiation at {FLASH}},
      journal      = {Optics express},
      volume       = {33},
      number       = {5},
      issn         = {1094-4087},
      address      = {Washington, DC},
      publisher    = {Optica},
      reportid     = {PUBDB-2024-07443},
      pages        = {10981 - 10996},
      year         = {2025},
      abstract     = {The Free-electron LASer in Hamburg - FLASH - generates
                      intense ultrashort pulses with femtosecond duration in the
                      range of 3.3 − 90 nm in the fundamental. In addition,
                      higher harmonic contributions are always present in the
                      spectral distribution, extending this range to much shorter
                      wavelengths. This study presents a detailed exploration of
                      the evolution of the radiation properties of the third
                      harmonic contribution in the self-amplified spontaneous
                      emission (SASE) amplification process. Utilizing a terahertz
                      streaking setup, we measured and analyzed the pulse
                      durations and energies of the fundamental and third harmonic
                      during the amplification process under various operational
                      configurations and compared these with results from the 3D
                      time-dependent free electron laser (FEL) simulation code
                      FAST.},
      cin          = {FS-FLASH-D / $XFEL_DO_DD_DA$ / MXL},
      ddc          = {530},
      cid          = {I:(DE-H253)FS-FLASH-D-20160930 /
                      $I:(DE-H253)XFEL_DO_DD_DA-20210408$ /
                      I:(DE-H253)MXL-20160301},
      pnm          = {631 - Matter – Dynamics, Mechanisms and Control
                      (POF4-631) / 6G2 - FLASH (DESY) (POF4-6G2)},
      pid          = {G:(DE-HGF)POF4-631 / G:(DE-HGF)POF4-6G2},
      experiment   = {EXP:(DE-H253)F-FL21-20211112},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001446546000005},
      doi          = {10.1364/OE.551587},
      url          = {https://bib-pubdb1.desy.de/record/619185},
}