Keyword: free-electron-laser
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MO3C4 Beam Position Monitoring of Multi-bunch Electron Beams at the FLASH Free Electron Laser electron, laser, cavity, photon 177
  • N. Baboi, H.T. Duhme, B. Lorbeer
    DESY, Hamburg, Germany
  The superconducting FLASH user facility (Free electron LASer in Hamburg) accelerates 10 electron bunch trains per second, which are mostly used to produce high brilliance XUV and soft X-ray pulses. Each train usually contains up to 600 electron bunches with a typical charge between 100 pC and 1 nC and a minimum bunch spacing of 1 us. Various types of beam position monitors (BPM) are built in three electron beam lines, having a single bunch resolution of 2-100 um rms. This paper presents multi-bunch position measurements for various types of BPMs and built in at various locations. The dependency of the resolution on the beam offset is also shown.  
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DOI • reference for this paper ※ doi:10.18429/JACoW-IBIC2022-MO3C4  
About • Received ※ 07 September 2022 — Revised ※ 09 September 2022 — Accepted ※ 13 September 2022 — Issue date ※ 17 November 2022
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