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@INPROCEEDINGS{Demazeux:644514,
      author       = {Demazeux, Quentin and Szwaj, Christophe and Roussel,
                      Eléonore and Steffen, Bernd and Czwalinna, Marie-Kristin
                      and Bielawski, Serge},
      title        = {{S}ingle-{S}hot electro-optic detection of broadband {TH}z
                      at {E}u{XFEL} and {FLASH} using diversity scheme with
                      advanced reconstruction algorithms},
      publisher    = {IEEE},
      reportid     = {PUBDB-2026-00373},
      isbn         = {979-8-3503-7883-2},
      pages        = {2},
      year         = {2025},
      comment      = {2025 50th International Conference on Infrared, Millimeter,
                      and Terahertz Waves (IRMMW-THz) : [Proceedings] - IEEE,
                      2025. - ISBN 979-8-3503-7883-2 -
                      doi:10.1109/IRMMW-THz61557.2025.11319759},
      booktitle     = {2025 50th International Conference on
                       Infrared, Millimeter, and Terahertz
                       Waves (IRMMW-THz) : [Proceedings] -
                       IEEE, 2025. - ISBN 979-8-3503-7883-2 -
                       doi:10.1109/IRMMW-THz61557.2025.11319759},
      abstract     = {We present novels methods aiming at recording THz waveforms
                      in single-shot and high repetition rates, with high temporal
                      resolution. This work is performed in the PhLAM-DESY
                      collaboration framework, aiming at developing real-time
                      diagnostics for THz sources, as well as monitoring the
                      shapes of relativistic electron bunches in accelerators.
                      While electro-optic probing with chirped laser probes is
                      efficient for high repetition rate operations, it suffers
                      from resolution and fidelity limitations, particularly for
                      extended recording windows. To address these issues, we
                      explore solutions based on the diversity concept, employing
                      a multi-output electro-optic measurement system. This
                      approach, combined with advanced reconstruction algorithms,
                      enables faithful retrieval of the measured electric field.
                      We have developed a new algorithm that "adapts" to laser
                      chirp imperfections (high-order dispersion), enabling
                      high-resolution single-shot broadband THz measurements over
                      a long temporal window. We present the method's principle,
                      numerical results, and the status of experimental
                      developments at European XFEL and FLASH, demonstrating a
                      significant advancement in high-resolution, long-duration of
                      broadband THz characterization.},
      month         = {Aug},
      date          = {2025-08-17},
      organization  = {50th International Conference on
                       Infrared, Millimeter, and Terahertz
                       Waves , Helsinki (Finland), 17 Aug 2025
                       - 22 Aug 2025},
      cin          = {MSK},
      cid          = {I:(DE-H253)MSK-20120731},
      pnm          = {621 - Accelerator Research and Development (POF4-621)},
      pid          = {G:(DE-HGF)POF4-621},
      experiment   = {EXP:(DE-H253)FLASH(machine)-20150101 /
                      EXP:(DE-H253)XFEL-Exp-20150101},
      typ          = {PUB:(DE-HGF)8 / PUB:(DE-HGF)7},
      doi          = {10.1109/IRMMW-THz61557.2025.11319759},
      url          = {https://bib-pubdb1.desy.de/record/644514},
}