Lasers in FEL Facilities

Marta Divall


This paper gives an overview about where and how conventional lasers are used in Free-Electron Laser (FEL) facilities, covering lasers utilized for timing system distribution, electron injection, beam treatment and diagnostics, as well as in experimental stations. It starts with a short introduction to the necessary laser terminology. The required laser parameters for each application are shown, especially highlighting the specifications, which are state-of-the-art. Examples from FEL facilities are listed. Finally, the future for the building of compact FELs is discussed.


Lasers; optical timing distribution; photo-injector; pump-probe experiments.

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