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@INPROCEEDINGS{Kral:636384,
author = {Kral, Jiri and Büchler, Michael and Georg, Jens and
Roever, Jan and Czwalinna, Marie Kristin},
title = {{H}igh-performance bunch arrival time monitors with fs
precision at {DESY}},
journal = {2673-5350},
address = {Geneva},
publisher = {JACoW Publishing},
reportid = {PUBDB-2025-03652},
isbn = {978-3-95450-262-2},
pages = {832 - 834},
year = {2025},
comment = {[Ebook] The Fourteenth International Beam Instrumentation
Conference : Liverpool, UK, 7-11 September 2025 : full
proceedings / Welsch, Carsten P. , [Geneva, Switzerland] :
JACoW Publishing, [2026],},
booktitle = {[Ebook] The Fourteenth International
Beam Instrumentation Conference :
Liverpool, UK, 7-11 September 2025 :
full proceedings / Welsch, Carsten P. ,
[Geneva, Switzerland] : JACoW
Publishing, [2026],},
abstract = {Pump-probe experiments at Free-Electron Laser facilities
depend heavily on the relative timing precision of the pump
and the probe, which determines the resolution of the
observed ultrafast phenomena. The DESY's Bunch Arrival Time
Monitors (BAM) are state-of-the-art sensors based on an
electro-optical detection principle, that delivers
information on the bunch timing with unprecedented
femtosecond-level precision. Timing synchronization at
machine level is achieved through a complex system of
arrival time sensors, stabilized optical distribution, and
feedback controls. Major advances in the performance,
construction, and operation of the BAMs are discussed in
detail. Integration of the sensor into the synchronization
system, and important global optimization and interplay are
mentioned as well. These improvements enabled a
synchronization of the electron beam with a world-leading
precision of less than $\SI{3}{fs}$ at European XFEL.},
month = {Sep},
date = {2025-09-07},
organization = {International Beam Instrumentation
Conference, Liverpool (UK), 7 Sep 2025
- 11 Sep 2025},
keywords = {Accelerator Physics (Other) / MC05 - MC05: Longitudinal
Diagnostics and Synchronization (Other)},
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(machine)-20150101},
typ = {PUB:(DE-HGF)16 / PUB:(DE-HGF)8 / PUB:(DE-HGF)7},
doi = {10.18429/JACoW-IBIC2025-THBC01},
url = {https://bib-pubdb1.desy.de/record/636384},
}