High-flux electron beams from laser wakefield accelerators driven by petawatt lasers

Ming ZENG (曾明); Ovidiu TESILEANU

doi:10.1088/2058-6272/aa6437

Plasma Science and Technology > 2017 > 19(7): 70502-070502. > DOI: 10.1088/2058-6272/aa6437

Ming ZENG (曾明), Ovidiu TESILEANU. High-flux electron beams from laser wakefield accelerators driven by petawatt lasers[J]. Plasma Science and Technology, 2017, 19(7): 70502-070502. DOI: 10.1088/2058-6272/aa6437

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High-flux electron beams from laser wakefield accelerators driven by petawatt lasers

Extreme Light Infrastructure—Nuclear Physics, Horia Hulubei National Institute for Physics and Nuclear Engineering, 30 Reactorului Street, PO Box MG-6, 077125 Magurele, jud. Ilfov, Romania

Funds: This work is supported by Extreme Light Infrastructure—Nuclear Physics (ELI-NP) Phase II, a project co-financed by the Romanian Government and European Union through the European Regional Development Fund. The EPOCH code project was funded by the UK EPSRC grants EP/G054950/1, EP/G056803/1, EP/G055165/1 and EP/ M022463/1.

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Abstract

Abstract

Laser wakefield accelerators (LWFAs) are considered to be one of the most competitive nextg-eneration accelerator candidates. In this paper, we will study the potential high-flux electron beam production of an LWFA driven by petawatt-level laser pulses. In our three-dimensional particle-in-cell simulations, an optimal set of parameters gives ~40 nC of charge with 2 PW laser power, thus ~400 kA of instantaneous current if we assume the electron beam duration is 100 fs. This high flux and its secondary radiation are widely applicable in nuclear and QED physics, industrial imaging, medical and biological studies.
- laser accelerator,
- petawatt laser,
- high-flux electron beam

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