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TY - CONF AU - Lamb, T. AU - Butkowski, Ł. AU - Felber, E.P. AU - Felber, M. AU - Fenner, M. AU - Jabłoński, S. AU - Kozak, T. AU - Müller, J.M. AU - Prędki, P. AU - Schlarb, H. AU - Sydlo, C. AU - Titberidze, M. AU - Zummack, F. ED - Schaa, Volker RW ED - Arduini, Gianluigi ED - Pranke, Juliana ED - Seidel, Mike ED - Lindroos, Mats TI - Design and Operation of the Integrated 1.3 GHz Optical Reference Module with Femtosecond Precision J2 - Proc. of IPAC2017, Copenhagen, Denmark, 14â19 May, 2017 C1 - Copenhagen, Denmark T2 - International Particle Accelerator Conference T3 - 8 LA - english AB - In modern Free-Electron Lasers like FLASH or the European XFEL, the short and long-term stability of RF reference signals gains in importance. The requirements are driven by the demand for short FEL pulses and low-jitter FEL operation. In previous publications, a novel, integrated Mach-Zehnder Interferometer based scheme for a phase detector between the optical and the electrical domain was presented and evaluated. This Laser-to-RF phase detector is the key component of the integrated 1.3 GHz Optical Reference Module (REFM-OPT) for FLASH and the European XFEL. The REFM-OPT will phase-stabilize 1.3 GHz RF reference signals to the pulsed optical synchronization systems in these accelerators. Design choices in the final hardware configuration are presented together with measurement results and a performance evaluation from the first operation period in the European XFEL. PB - JACoW CP - Geneva, Switzerland SP - 3963 EP - 3965 KW - laser KW - detector KW - controls KW - operation KW - FEL DA - 2017/05 PY - 2017 SN - 978-3-95450-182-3 DO - 10.18429/JACoW-IPAC2017-THPAB105 UR - http://jacow.org/ipac2017/papers/thpab105.pdf ER -