Contribution to a conference proceedings

PUBDB-2017-11736

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Laser-to-RF Synchronization with Femtosecond Precision

Lamb, T. (Corresponding author)DESY* ; Butkowski, L.DESY* ; Felber, M.DESY* ; Felber, E.DESY* ; Fenner, M.DESY* ; Jablonski, S.DESY* ; Kozak, T.DESY* ; Mueller, J.DESY* ; Predki, P.Extern* ; Schlarb, H.DESY* ; Sydlo, C.DESY* ; Titberidze, M.DESY* ; Zummack, F.DESY*

2017

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Please use a persistent id in citations: doi:10.3204/PUBDB-2017-11736

Abstract: Optical synchronization systems are already in regular operation in many FELs, or they will eventually be implemented in the future. In FLASH and the European XFEL, phase-stableoptical reference signals are provided by a pulsed optical synchronization system in order to achieve low timing jitter FEL performance. The generation of phase-stable RF signalsfrom a pulsed optical synchronization system is still a field of active research. The optical reference module (REFM-OPT), designed at DESY for operation in both FELs, employs a laser-to-RF phase detector, based on an integrated Mach-Zehnder interferometer. The phase drift of the 1.3 GHz RF reference signals with respect to the optical pulses is measured and actively corrected within the REFM-OPT at multiple locations in the accelerator. Therefore the REFM-OPT provides phase stable 1.3 GHz RF reference signals at these locations.The short-term and long-term performance in the accelerator tunnel of the European XFEL is presented and carefully reviewed.

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Contributing Institute(s):

1. Strahlkontrollen (MSK)
2. Maschine Kraft u. Kuhlung (MKK)

Research Program(s):

1. 631 - Accelerator R & D (POF3-631) (POF3-631)
2. 6G13 - XFEL (POF3-622) (POF3-622)

Experiment(s):

1. Facility (machine) XFEL

Appears in the scientific report 2017

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