Contribution to a conference proceedings

DESY-2014-03364

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Femtosecond timing distribution for the European XFEL

Sydlo, C. (Corresponding Author)DESY* ; Zummack, F.DESY* ; Czwalinna, M. K.DESY* ; Felber, M.DESY* ; Lamb, T.DESY* ; Gerth, C.DESY* ; Schlarb, H.DESY* ; Jablonski, S.Extern* ; Schulz, S.DESY*

2014

ISBN: 978-3-95450-133-5

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Abstract: Accurate timing synchronization on the femtosecond timescale is an essential installation for time-resolved experiments at free-electron lasers (FELs) such as FLASH and the upcoming European XFEL. To date the required precision levels can only be achieved by a laser-based synchronization system. Such a system has been successfully deployed at FLASH and is based on the distribution of femtosecond laser pulses over actively stabilized optical fibers. Albeit its maturity and proven performance this system had to undergo a major redesign for the upcoming European XFEL due to the enlarged number of stabilized optical fibers and an increase by a factor of up to 10 in length. The experience and knowledge gathered from the operation of the optical synchronization system at FLASH has led to an elaborate and modular precision instrument which can stabilize polarization maintaining fibers for highest accuracy as well as economic single mode fibers for shorter lengths. This paper reports on the laser-based synchronization system focusing on the active fiber stabilization units for the European XFEL, discusses major complications, their solutions and and the most recent performance results.

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Contributing Institute(s):

1. Strahlkontrollen (MSK)

Research Program(s):

1. Facility (machine) XFEL (POF2-XFEL-20130405) (POF2-XFEL-20130405)

Experiment(s):

1. Facility (machine) XFEL

Appears in the scientific report 2014

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Database coverage:

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