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@INPROCEEDINGS{Georgiev:576801,
      author       = {Georgiev, Georgi and Boonpornprasert, Prach and
                      Krasilnikov, Mikhail and Li, Xiangkun and Hillert, Wolfgang},
      title        = {{S}imulations of {S}eeding {O}ptions for {TH}z {FEL} at
                      {PITZ}},
      reportid     = {PUBDB-2023-00913},
      year         = {2022},
      note         = {Approved by PITZ CB JACoW Proceedings},
      abstract     = {A THz FEL is under commissioning at PITZ as a
                      proof-of-principle experiment for a high power and high
                      repetitionrate THz source and as an option for THz-driven
                      experi-ments at the European XFEL. Some of these
                      experimentsrequire excellent coherence and CEP stable THz
                      pulses. InSASE regime, the coherent properties of the FEL
                      radiationare limited. A seeding scheme can be used instead
                      of SASEto improve the coherent properties and shot-to-shot
                      stability.Several options for seeding are considered in
                      simulation forthe THz FEL at PITZ: external laser pulse,
                      pre-bunched elec-tron beam, energy modulated electron beam
                      and additionalshort spike on top of a smooth beam profile.
                      The improve-ments over SASE in energy, spectral and temporal
                      stabilityof the THz pulse are presented.},
      month         = {Aug},
      date          = {2022-08-22},
      organization  = {40th International Free Electron Laser
                       Conference, Trieste (Italy), 22 Aug
                       2022 - 26 Aug 2022},
      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)6},
      url          = {https://bib-pubdb1.desy.de/record/576801},
}