17–22 May 2026
C.I.D
Europe/Zurich timezone

First Lasing of a Cavity Based X-ray FEL

19 May 2026, 09:00
30m
C.I.D

C.I.D

Deauville, France
Invited Oral Presentation MC2.A06: Free Electron Lasers (FELs) MC2 : Photon Sources and Electron Accelerators

Speaker

Patrick Rauer (Deutsches Elektronen-Synchrotron DESY)

Description

Cavity-based X-ray Free Electron Lasers(CBXFELs) promise to transform the field of hard X-ray science by delivering radiation with exceptional brilliance, stability,and full three-dimensional coherence. At the European XFEL, we have recently achieved lasing with multi-pass gain in a proof-of-concept CBXFEL featuring a 132.8m round-trip hard X-ray cavity using diamond crystals in Bragg reflection.
This talk will present these results, and will classify them in the context of the development of CBXFEL sources and high brighntess X-ray pulses.

Author

Patrick Rauer (Deutsches Elektronen-Synchrotron DESY)

Presentation materials

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