Author: Foerster, M.
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THPHA084 Synchrotron Master Frequency Reconstruction for Sub-Nanosecond Time-Resolved XMCD-PEEM Experiments 1577
  • B. Molas, L. Aballe, M. Foerster, A. Fontsere Recuenco, O. Matilla, J. Moldes
    ALBA-CELLS Synchrotron, Cerdanyola del Vallès, Spain
  The timing and synchronization system at the ALBA synchrotron facility is based on the well-established event-based model broadly used in the particle accelerator facilities built in the last decade. In previous systems, based on signal model architecture, the master frequency was distributed using a direct analog signal and delayed at each target where the triggers were required. However, such strategy has proven to be extremely expensive and non-scalable. In the event-based model, the data stream is generated at a continuous rate, synchronously with the master clock oscillator of the accelerator. This strategy improves the flexibility for tuning the trigger parameters remotely and reduces the costs related to maintenance tasks. On the other hand, the absence of the pure RF signal distributed in the experimental stations implies much more complexity in the performance of time-resolved experiments. Abstract here explain how these difficulties have been overcome in the ALBA timing system in order to allow the signal reconstruction of the RF master frequency at the CIRCE beamline.  
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