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Control of laser plasma accelerated electrons for light sources

T. André 1, 2 I. Andriyash 1 A. Loulergue 1 M. Labat 1 E. Roussel 3, 1 A. Ghaith 1, 2 M. Khojoyan 1 C. Thaury 4 M. Valléau 1 F. Briquez 1 F. Marteau 1 K. Tavakoli 1 P N 'Gotta 1 Y. Dietrich 1 Guillaume Lambert 4 Victor Malka 4, 5 C. Benabderrahmane 1 J. Vétéran 1 L. Chapuis 1 T Ajjouri 1 M. Sebdaoui 1 N. Hubert 1 O. Marcouillé 1 P. Berteaud 1 N. Leclercq 1 M Ajjouri 1 P. Rommeluere 1 F. Bouvet 1 J.-P Duval 1 C. Kitegi 1 F. Blache 1 B. Mahieu 4 S. Corde 4 J. Gautier 4 Kim Ta Phuoc Jean-Philippe Goddet 4 A. Lestrade 1 C. Herbeaux 1 C. Évain 3 C. Szwaj 3 S. Bielawski 3 A. Tafzi 4 Pascal Rousseau 4 S. Smartsev 4, 5 F. Polack 1 D. Dennetière 1 C. Bourassin-Bouchet 1 C. de Oliveira 1 M.-E. Couprie 1, 2
1 SSOLEIL - Synchrotron SOLEIL
2 Université Paris-Saclay
3 PhLAM - Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523
4 LOA - Laboratoire d'optique appliquée
5 Weizmann Institute of Science, Department of Physics of Complex Systems
Abstract : With gigaelectron-volts per centimetre energy gains and femtosecond electron beams, laser wakefield acceleration (LWFA) is a promising candidate for applications, such as ultrafast electron diffraction, multistaged colliders and radiation sources (betatron, compton, undu-lator, free electron laser). However, for some of these applications, the beam performance, for example, energy spread, divergence and shot-to-shot fluctuations, need a drastic improvement. Here, we show that, using a dedicated transport line, we can mitigate these initial weaknesses. We demonstrate that we can manipulate the beam longitudinal and transverse phase-space of the presently available LWFA beams. Indeed, we separately correct orbit mis-steerings and minimise dispersion thanks to specially designed variable strength quadrupoles, and select the useful energy range passing through a slit in a magnetic chicane. Therefore, this matched electron beam leads to the successful observation of undulator synchrotron radiation after an 8 m transport path. These results pave the way to applications demanding in terms of beam quality.
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T. André, I. Andriyash, A. Loulergue, M. Labat, E. Roussel, et al.. Control of laser plasma accelerated electrons for light sources. Nature Communications, Nature Publishing Group, 2018, 9, ⟨10.1038/s41467-018-03776-x⟩. ⟨hal-01763699⟩

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