Abstract
In this paper, we propose a method for calculating a multistage scheme for direct laser-plasma electron acceleration to overcome the effect of dephasing and depletion of the pumping beam. The method makes it possible to estimate the parameters of the plasma channel for each acceleration stage, as well as allowable ranges of electron injection angles into the next stage. An example of calculating three-stage electron acceleration up to an energy of 1 GeV with a beam charge of 400 nC is given.
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Funding
The work was supported by the Russian Foundation for Basic Research (project no. 19-32-60069); numerical calculations were supported by the Russian Science Foundation (project no. 22-79-10087). We used the equipment acquired by the Faculty of Physics of Moscow State University at the expense of the Ministry of Education and Science within the framework of national project “Science” (May 20, 2020, no. AM/6-pr).
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Translated by G. Dedkov
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Starodubtseva, E.M., Tsymbalov, I.N., Ivanov, K.A. et al. Cascade Acceleration of Electrons in a Plasma Channel Created by Several Petawatt Laser Pulses. Bull. Lebedev Phys. Inst. 50 (Suppl 7), S735–S740 (2023). https://doi.org/10.3103/S1068335623190156
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DOI: https://doi.org/10.3103/S1068335623190156