Study of the Electron Transport in the COXINEL FEL Beamline Using a Laser-Plasma Accelerated Electron Beam

Abstract : The ERC Advanced Grant COXINEL aims at demonstrating free electron laser (FEL) at 200 nm, based on a laser-plasma accelerator (LPA). To achieve the FEL amplification a transport line was designed to manipulate the beam properties. The 10 m long COXINEL line comprises a first triplet of permanent-magnet variable-strength quadrupoles (QUAPEVA), which handles the large divergence of LPA electrons, a magnetic chicane, which reduces the slice energy spread, and finally a set of electromagnetic quadrupoles, which provides a chromatic focusing in a 2-m undulator. Electrons were successfully transported through the line from LPA with ionization-assisted self-injection (broad energy spectra up to~250 MeV, few-milliradian divergence).
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Conference papers
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https://hal.archives-ouvertes.fr/hal-01802026
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Submitted on : Monday, May 28, 2018 - 10:17:36 PM
Last modification on : Thursday, November 14, 2019 - 4:48:03 PM

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Thomas André, Igor Andriyash, Serge Bielawski, Frederic Blache, Francois Bouvet, et al.. Study of the Electron Transport in the COXINEL FEL Beamline Using a Laser-Plasma Accelerated Electron Beam. 38th International Free-Electron Laser Conference, Aug 2017, Santa Fe, United States. pp.TUP061, ⟨10.18429/JACoW-FEL2017-TUP061⟩. ⟨hal-01802026⟩

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