Plasma boosted electron beams for driving Free Electron Lasers

Rossi, A. R.; Petrillo, V.; Bacci, A.; Chiadroni, E.; Cianchi, A.; Ferrario, M.; Giribono, Anna; Marocchino, A.; Conti, M. Rossetti; Serafini, L.; Vaccarezza, C.

doi:10.1016/j.nima.2018.02.092

Cited by 12 publications

(9 citation statements)

References 43 publications

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“…The resulting laser, plasma, and electron input beam parameters are shown in Table III. Simulations [44] have been performed with the QFluid code, a hybrid fluid-PIC tool, where the plasma is assumed to behave like a cylindrically symmetric fluid while the electron beam is treated using a full 3D PIC model. When optimizing both the injection phase and matching into the plasma channel for preservation of 6D brightness, up to 24 pC can be accelerated to 5.3 GeV after 50 cm, with very good beam quality:…”

Section: Study Of Acceleration Stagesmentioning

confidence: 99%

Toward a plasma-based accelerator at high beam energy with high beam charge and high beam quality

Nghiem¹,

Aßmann²,

Beck³

et al. 2020

Phys. Rev. Accel. Beams

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From plasma-wakefield acceleration as a physics experiment toward a plasma-based accelerator as a user facility, the beam physics issues remaining to be solved are still numerous. Providing beams with high energy, charge, and quality simultaneously, not only within the plasma but also at the user doorstep itself, is the main concern. Despite its tremendous efficiency in particle acceleration, the wakefield displays a complex 3D profile which, associated to the beam-loading field induced by the accelerated beam itself, makes the acceleration of high charge to high energy often incompatible with high beam quality. Beam extraction from the plasma without quality degradation for a transfer either to the next plasma stage or to the user application is another difficulty to consider. This article presents the substantial studies carried out and the different innovative methods employed for tackling all these different issues. Efforts focused on achieving the challenging beam parameters targeted by the EuPRAXIA accelerator facility project. The lessons learned at the end of these in-depth simulations and optimizations are highlighted. The sensitivity to different error sources is also estimated to point out the critical components of such an accelerator. Finally, the needs in terms of laser and plasma parameters are provided.

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Section: Study Of Acceleration Stagesmentioning

confidence: 99%

Toward a plasma-based accelerator at high beam energy with high beam charge and high beam quality

Nghiem¹,

Aßmann²,

Beck³

et al. 2020

Phys. Rev. Accel. Beams

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“…Radio frequency injector and laser plasma acceleration stage. In this scheme [22], a 500 MeV electron beam is injected through a radio frequency (RF) section [23] into the plasma acceleration stage which in turn accelerates the electrons up to either a beam distribution with 1 GeV [24] energy, denoted hereafter as Rossi-1, or a beam distribution with 5 GeV energy, denoted hereafter as Rossi-5.…”

Section: Features Of the Electron Beams At Plasma Exit And Of The Tramentioning

confidence: 99%

Free Electron Laser Performance within the EuPRAXIA Facility

et al. 2020

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Over the past 90 years, particle accelerators have evolved into powerful and widely used tools for basic research, industry, medicine, and science. A new type of accelerator that uses plasma wakefields promises gradients as high as some tens of billions of electron volts per meter. This would allow much smaller accelerators that could be used for a wide range of fundamental and applied research applications. One of the target applications is a plasma-driven free-electron laser (FEL), aiming at producing tunable coherent light using electrons traveling in the periodic magnetic field of an undulator. In this work, the plasma-based electron beams with the most promising qualities, designed in the framework of EuPRAXIA, are analyzed in terms of the FEL performance.

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“…For these three working points start-to-end simulations of the electron beam dynamics have been performed on the nominal cases and reported in ref. [4,8] for the photoinjector and the plasma acceleration stage respectively, while the results for the FEL radiation are reported in [9], here the transport in the Xband Linac is described looking at the machine sensitivity to misalignments and jitters.…”

Section: Machine Layoutmentioning

confidence: 99%

EUPRAXIA@SPARC_LAB: Beam dynamics studies for the X-band Linac

Vaccarezza

Gallo

Diomede

et al. 2018

Nuclear Instruments and Methods in Physics Research Section A:

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In the framework of the Eupraxia Design Study an advanced accelerator facility EUPRAXIA@SPARC LAB has been proposed to be realized at Frascati (Italy) Laboratories of INFN. Two advanced acceleration schemes will be applied, namely an ultimate high gradient 1 GeV X-band linac together with a plasma acceleration stage to provide accelerating gradients of the GeV/m order. A FEL scheme is foreseen to produce X-ray beams within 3-10 nm range. A 500-TW Laser system is also foreseen for electron and ion production experiments and a Compton backscattering Interaction is planned together with extraction beamlines at intermediate electron beam energy for neutron beams and THz radiation production. The electron beam dynamics studies in the linac are here presented together with the preliminary machine layout.

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Plasma boosted electron beams for driving Free Electron Lasers

Cited by 12 publications

References 43 publications

Toward a plasma-based accelerator at high beam energy with high beam charge and high beam quality

Toward a plasma-based accelerator at high beam energy with high beam charge and high beam quality

Free Electron Laser Performance within the EuPRAXIA Facility

EUPRAXIA@SPARC_LAB: Beam dynamics studies for the X-band Linac

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