What is it about?
The European X-ray Free-Electron laser (EuXFEL) achieved first lasing in May 2017 and started operation in September. For the generation of the X-Ray radiation the 210m long undulator systems play the key role. This paper describes all components of the SASE1 system. During commissioning the beam based alignment method was applied to accurately adjust the electron beam so that lasing was obtained. Radiation damage on the undulators is a severe problem and was studied intensively. First radiation damage was already observed.
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Why is it important?
This is the first time that a long undulator system is operated in a high duty cycle machine. First operational results are presented and discussed.
Perspectives
This paper gives the most complete overview and description of the EuXFEL undulator systems. It also deals with the highest threat and risk to undulators operated in high duty cycle machines: Radiation Damage.
Joachim Pflueger
European XFEL GmbH
Read the Original
This page is a summary of: First operation of the SASE1 undulator system of the European X-ray Free-Electron Laser, Journal of Synchrotron Radiation, February 2019, International Union of Crystallography,
DOI: 10.1107/s1600577518017125.
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