Study of Short Bunches at the Free Electron Laser CLIO
Nicolas Delerue, St\'ephane Jenzer, Vitalii Khodnevych, Jean-Paul, Berthet, Francois Glotin, Jean-Michel Ortega, Rui Prazeres
TL;DR
This paper investigates methods to shorten electron bunches in the CLIO free electron laser and evaluates diagnostic techniques for measuring these ultra-short pulses through simulations.
Contribution
It presents simulation results on shortening electron bunches to about 1 ps and assesses diagnostic signals for measuring such short pulses.
Findings
Pulse shortening to ~1 ps is feasible based on simulations.
Diagnostic signals from CTR and CSP are effective for measuring short bunches.
Potential improvements in FEL performance with shorter electron pulses.
Abstract
CLIO is a Free Electron Laser based on a thermionic electron gun. In its normal operating mode it delivers electron 8 pulses but studies are ongoing to shorten the pulses to about 1 ps. We report on simulations showing how the pulse can be shortened and the expected signal yield from several bunch length diagnostics (Coherent Transition Radiation, Coherent Smith Purcell Radiation).
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Taxonomy
TopicsParticle Accelerators and Free-Electron Lasers · Advanced X-ray Imaging Techniques · Advancements in Photolithography Techniques