This is the public space of the SDiag-Team, as part of the group MSK.

It provides information to non-experts about Special Diagnostics devices, installed at FLASH and the European XFEL,

as well as their implementation and operation in Longitudinal Beam-based Feedbacks.


System descriptions,  How-to articles , Trouble-shooting instructions.

About us

The group MSK (Maschine Strahlkontrollen / machine beam-controls) is responsible for the controls, feedback regulations and synchronization of the particle accelerators at DESY.

The SDiag Team (Special Diagnostics) concentrates on the topic of longitudinal diagnostics for fast beam-based feedback systems, used at the FEL facilities FLASH and European XFEL.

The Team

M.K. Czwalinna (Team Leader)

B. Steffen, J. Kral, J.Roever, N.Lockmann, B.Lautenschlager


Development and Operation of Diagnostics for Longitudinal Beam-based Feedbacks: Bunch Arrival-time Monitors (BAM), Bunch Compression Monitors (BCM), Electro-optical Spectral Decoding (EOSD), Coherent Radiation Diagnostics (CRD): THz Spectrometer. 

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