Longitudinal Coherence Enhancement of X-Ray Free Electron Lasers
Paul J. Channell
TL;DR
This paper introduces a novel scheme combining undulators, delay chicanes, and tailored electron beams to improve the longitudinal coherence of X-ray free electron lasers, supported by simulation results.
Contribution
The paper proposes a new method for enhancing longitudinal coherence in X-ray FELs using a sequence of undulators, delay chicanes, and tailored electron beams, validated through simulations.
Findings
Simulation confirms the scheme's effectiveness.
Improved longitudinal coherence demonstrated.
Potential for enhanced FEL performance.
Abstract
We present a new scheme for establishing longitudinal coherence in the output of X-ray FELs. It uses a sequence of undulators and delay chicanes and the careful tailoring of the initial e-beam with time dependent focusing. Simulation of a simplified model of the FEL shows that the idea works well.
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Taxonomy
TopicsParticle Accelerators and Free-Electron Lasers · Advanced X-ray Imaging Techniques · Advanced Electron Microscopy Techniques and Applications