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@ARTICLE{Aftab:627268,
      author       = {Aftab, Namra},
      title        = {{S}tatus of {TH}z {FEL} activities at {PITZ}},
      address      = {Gottingen},
      publisher    = {2025},
      reportid     = {PUBDB-2025-01585},
      year         = {2025},
      abstract     = {A single-pass THz free electron laser (FEL) at the
                      PhotoInjector Test facility at DESY in Zeuthen (PITZ) was
                      designed and implemented for a proof-of-principle experiment
                      on a tunable high-power THz source for pump-probe
                      experiments at the European XFEL. THz pulses are generated
                      at a radiation wavelength of 100µm within a 3.5 m long,
                      strongly focusing planar LCLS-I undulator. High gain is
                      achieved by driving the FEL with high brightness beams from
                      the PITZ photoinjector at 17MeV and a bunch charge of up to
                      several nC. In addition to the mechanisms of self-amplified
                      spontaneous emission (SASE), seeding of the THz-FEL by
                      electron bunch modulation at the photocathode is also being
                      investigated. The experimental results, including the gain
                      curves, spectral properties and transverse distribution of
                      the THz-FEL radiation, are presented in comparison with
                      theoretical predictions and numerical simulations.},
      month         = {Mar},
      date          = {2025-03-31},
      organization  = {DPG Meeting, Zeuthen (Germany), 31 Mar
                       2025 - 4 Apr 2025},
      cin          = {$Z_PITZ$},
      cid          = {$I:(DE-H253)Z_PITZ-20210408$},
      pnm          = {621 - Accelerator Research and Development (POF4-621)},
      pid          = {G:(DE-HGF)POF4-621},
      experiment   = {EXP:(DE-H253)PITZ-20150101},
      typ          = {PUB:(DE-HGF)36},
      url          = {https://bib-pubdb1.desy.de/record/627268},
}