Laser Heater and seeded Free Electron Laser
G. Dattoli, V. Petrillo, E. Sabia

TL;DR
This paper models the impact of a laser heater on a seeded Free Electron Laser, aligning with experimental results and revealing additional effects for future testing.
Contribution
It introduces a combined model of laser heater and seeding effects in Free Electron Lasers, extending previous analyses and predicting new phenomena.
Findings
Experimental results at FERMI show secondary maxima with increased heater intensity.
The model confirms previous analyses and predicts additional effects.
Further experimental testing is suggested for the new effects.
Abstract
In this paper we consider the effect of laser heater on a seeded Free Electron Laser. We develop a model embedding the effect of the energy modulation induced by the heater with those due to the seeding. The present analysis is compatible with the experimental results obtained at FERMI displaying secondary maxima with increasing heater intensity. The treatment developed in the paper confirms and extends previous analyses and put in evidence further effects which can be tested in future experiments.
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Taxonomy
TopicsParticle Accelerators and Free-Electron Lasers · Advanced X-ray Imaging Techniques · Particle accelerators and beam dynamics
