Dortmund 2021 – wissenschaftliches Programm

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 4: New Accelerator Concepts and Hadron Accelerators

AKBP 4.4: Vortrag

Dienstag, 16. März 2021, 17:15–17:30, AKBPa

Beamline Design Studies for a Laser-Plasma Driven FEL — •Lars Hübner^1,2, Cora Braun^1,2, Julian Dirkwinkel¹, Timo Eichner², Thomas Hülsenbusch^1,2, Sören Jalas², Laurids Jeppe², Manuel Kirchen², Philipp Messner¹, Guido Palmer¹, Matthias Schnepp², Maximilian Trunk², P. Andreas Walker¹, Paul Winkler¹, Christian Werle¹, and Andreas R. Maier^1,2 — ¹Deutsches Elektronen Synchrotron (DESY) — ²Center for Free-Electron Laser Science and Department of Physics, Universität Hamburg

Laser-plasma accelerators are promising candidates to drive compact, laboratory-scale free-electron lasers. However, the unique properties of plasma accelerated electron beams present a challenge to the beam transport and lasing concepts. Here, we present the upgrade of the LUX beamline with the goal of demonstrating FEL gain from a laser-plasma accelerator. The beamline features a chicane to decompress the electron beam and relax the conditions on the initial beam parameters from the plasma target. The concept shows a balancing between the decrease in beam peak current due to the decompression and the manipulation of the phase-space to optimize the slice properties of the beam. The transport to and the focusing scheme into the undulator are presented.