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13th Diagnostics Experts of European Light Sources (DEELS)

23–24 Mar 2026
Paul Scherrer Institute
Europe/Zurich timezone

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Session

Session

24 Mar 2026, 08:45
Paul Scherrer Institute

Paul Scherrer Institute

PSI CH, PSI, Forschungsstrasse 111, 5232 Villigen,

Conveners

Session: 4

  • Friederike Ewald (ESRF)

Presentation materials

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  1. 14. First measurements of a prototype Stripline BPM for PETRA IV and comparison with simulation
    Sergey Strokov (DESY)
    24/03/2026, 08:45
    Presentation

    We present signal and thermal measurements from the first prototype of a stripline Beam Position Monitor (BPM) intended for the PETRA IV synchrotron ring. The monitor was installed at the PETRA III testbed for evaluation and compared against CST Studio Suite simulation results. Initial measurements revealed unexpected signal oscillations and significant heating (up to 135 °C), which were not...

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  2. 24. Using a Button BPM at 3GHz
    Guenther Rehm (Helmholtz-Zentrum Berlin)
    24/03/2026, 09:10
    Presentation

    This talk illustrates an attempt to use an installed BPM pickup to detect signals at 3 GHz.

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  3. 29. Electromagnetic characterization of the first 16 pickup prototypes for the Elettra 2.0 BPMs
    stefano cleva (Elettra SincrotroneTrieste)
    24/03/2026, 09:35
    Presentation

    A total of 916 button type beam position monitor (BPM) pickups have been foreseen to meet the requirements of the Elettra 2.0 light source.
    The first 16 prototype units, intended to validate the complete set of mechanical, vacuum, and electromagnetic characteristics, have been fully evaluated and successfully
    qualified through Factory Acceptance Tests (FAT) and Site Acceptance Tests...

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  4. 18. Evaluation of Kovar for buttons BPMs
    Laura Torino (ALBA-CELLS)
    24/03/2026, 10:00
    Discussion Trigger

    As part of our current facility upgrade, we are developing Beam Position Monitors (BPMs) designed for integration into a copper vacuum chamber. Following the preliminary design phase, the manufacturer suggested utilizing Kovar as an alternative to stainless steel for the housing. This presentation aims to discuss the implications of this material shift with the community, supported by Opera...

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  5. 13. Electromagnetic Resonances near BPMs: Impact of Vacuum Chamber Discontinuities on BPM Signal Integrity
    moussa El Ajjouri (Synchrotron SOLEIL)
    24/03/2026, 10:15
    Discussion Trigger

    Electromagnetic resonances localized near Beam Position Monitors (BPMs) can significantly distort the beam induced signal on the electrodes and compromise BPM readings. At the European Synchrotron Radiation Facility (ESRF), a detrimental resonance was identified in the vicinity of a BPM. It originates from a small break in the electrical continuity (~2-3µm) due to the nearby RF gasket that...

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