Colliding ionization injection in a plasma wakefield accelerator

Please use this identifier to cite or link to this item: https://ir.lib.ncu.edu.tw/handle/987654321/104274

Title:	Colliding ionization injection in a plasma wakefield accelerator
Authors:	白植豪;Wan, Y;Zhang, C J;Li, F;Wu, Y P;Hua, J F;Pai, C-H;Lu, W;Gu, Y Q;Xu, X L;Joshi, C;Mori, W B
Contributors:	理學院物理學系
Keywords:	Beams (radiation);Controlled fusion;electron dynamics;Emittance;Ionization;ionization injection;Laser beams;low slice energy spread;Plasma (physics);plasma wakefield accelerator;Propagation;Spreads
Date:	2016-02-15
Issue Date:	2026-04-23 11:47:06 (UTC+8)
Publisher:	IOP Publishing Ltd.;United Kingdom: IOP Publishing
Abstract:	摘要： A new scheme of generating high quality electron bunches via ionization injection triggered by an counter propagating laser pulse inside a beam driven plasma wake is proposed and examined via two-dimensional particle-in-cell (PIC) simulations. This scheme has two major advantages: first, the injection distance is easily tunable by varying the launching time or the focal position of the laser pulse; second, the electrons in each injected slice are released at nearly the same time. Both factors can significantly reduce the phase space mixing during the ionization injection process (Xu et al 2014 Phys. Rev. Lett. 112 035003, Xu et al 2014 Phys. Rev. Spec. Top.: Accel. Beams 17 061301, Li et al 2013 Phys. Rev. Lett. 111 015003), leading to very small energy spreads ( 10 keV for slice, 100 keV for the whole bunch) and very small normalized emittance ( few nm). As an example, a 4.5 fs 0.4 pC electron bunch with normalized emittance of 3.3 nm, slice energy spread of 13 keV, absolute energy spread of 80 keV, and a brightness of A m−2rad−2 is obtained under realistic conditions. This scheme may have potential applications for future compact coherent light sources. 其他題名： PPCF 其他題名： Plasma Phys. Control. Fusion 出版者： United Kingdom: IOP Publishing 出版日期： 2016-03-01 出處： Plasma physics and controlled fusion, 2016-03, Vol.58 (3), p.34015 資源來源： Institute of Physics Journals 版權： 2016 IOP Publishing Ltd 識別號： ISSN: 0741-3335 識別號： EISSN: 1361-6587 識別號： DOI: 10.1088/0741-3335/58/3/034015 識別號： CODEN: PLPHBZ
Appears in Collections:	[Department of Physics] journal & Dissertation

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