Slices and Ellipse Geometry
G. Dattoli, E. Sabia, M. Del Franco, A. Petralia
TL;DR
This paper explores the challenges in charged beam transport for SASE FELs, focusing on slice emittance and phase space matching to optimize FEL performance.
Contribution
It introduces new concepts for electron beam slice matching and analyzes their impact on FEL output, advancing transport line design strategies.
Findings
Matching strategies significantly influence FEL output quality
Optimized slice emittance improves beam transport efficiency
Design considerations affect FEL performance outcomes
Abstract
We discuss the new problems emerging in charged beam transport for SASE FEL dynamics. The optimization of the magnetic transport system for future devices requires new concepts associated with the slice emittance and the slice phase space distribution. We study the problem of electron beam slice matching and guiding in transport devices for SASE FEL emission discussing matching criteria and how the associated design of the electron transport line may affect the FEL output performances. We analyze different matching strategies by studying the relevant effect on the FEL output characteristics.
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Taxonomy
TopicsParticle accelerators and beam dynamics · Particle Accelerators and Free-Electron Lasers · Magnetic confinement fusion research