Speaker
Description
The stability of modern accelerator facilities depends on precise monitoring of environmental vibrations and ground motion, which can affect beam orbit, arrival time stability, and beam instrumentation. Distributed Acoustic Sensing (DAS) transforms standard optical fibers into dense arrays of strain sensors, providing high spatial and temporal resolution over tens of kilometers.
At DESY, a campus-wide DAS fiber network enables continuous monitoring of seismic and acoustic perturbations. We report on recent R&D activities demonstrating DAS as an accelerator diagnostics tool.
We demonstrate that DAS complements conventional beam instrumentation and seismometers, enabling cross-checks with beam arrival monitors and offering new opportunities to improve arrival time stability at the European XFEL.
Funding Agency
This project is part of ErUM-WAVE and funded by the German Federal Ministry of
Research, Technology, and Space (BMFTR) (joint project 05D2022).
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