Počet záznamů: 1  

Short electron bunches generated by perpendicularly crossing laser pulses.

  1. 1. 0480437 - UFP-V 2018 RIV US eng J - Článek v odborném periodiku
    Horný, Vojtěch - Petržílka, Václav - Klimo, Ondřej - Krůs, Miroslav
    Short electron bunches generated by perpendicularly crossing laser pulses.
    Physics of Plasmas. Roč. 24, č. 10 (2017), č. článku 103125. ISSN 1070-664X
    Grant CEP: GA ČR GA15-03118S; GA MŠk(CZ) LM2015083; GA MŠk(CZ) CZ.02.1.01/0.0/0.0/16_013/0001552; GA MŠk LQ1606; GA MŠk(CZ) LD14089
    Grant ostatní:ELI Beamlines(XE) CZ.02.1.01/0.0/0.0/15_008/0000162
    Institucionální podpora: RVO:61389021 ; RVO:68378271
    Klíčová slova: Laser pulses * Particle beam bunching * Plasma simulation * Particle acceleration * Lasers * Particle-in-cell metthod * Particle beams * Electrostatics
    Kód oboru RIV: BL - Fyzika plazmatu a výboje v plynech; BL - Fyzika plazmatu a výboje v plynech (FZU-D)
    Obor OECD: Fluids and plasma physics (including surface physics); Fluids and plasma physics (including surface physics) (FZU-D)
    Impakt faktor: 1.941, rok: 2017

    Optical injection of electrons into a laser wakefield accelerator by a low intensity orthogonally colliding laser pulse is investigated using 2D particle-in-cell simulations. The collision of the main laser pulse driving the plasma wave in the cavitated regime and the low intensity injection pulse affects the trajectories of electrons in the crossing region. As a consequence, some electrons are ejected into the front part of the bubble, and these electrons are subsequently trapped in the rear part of the bubble. The injected and accelerated electron bunch reaches a peak energy of 630MeV after 8 ps of acceleration being as short as 7.0 fs and is quasimonoenergetic with a low energy spread of 20MeV
    (3.8%), having a charge of several dozens of pC and a relatively large emittance of 2.27 pí . mm . mrad.Two main injection mechanisms—crossing beatwave injection and injection by laser field preacceleration—were identified.
    Trvalý link: http://hdl.handle.net/11104/0276641