Ponderomotively Assisted Ionization Injection in Plasma Wakefield Accelerators

Zeng, Ming; Martinez de la Ossa, Alberto; Osterhoff, Jens

Preprint

PUBDB-2021-02367

Ponderomotively Assisted Ionization Injection in Plasma Wakefield Accelerators

Zeng, M. (Corresponding author)DESY* ; Martinez de la Ossa, A.Extern*DESY* ; Osterhoff, J.DESY*

2021

1-7 (2021) [10.3204/PUBDB-2021-02367]

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Please use a persistent id in citations: doi:10.3204/PUBDB-2021-02367

Report No.: DESY-20-138; arXiv:2008.08485

Abstract: An injection scheme is proposed to realize electron trapping in sub-relativistic plasma wakefield accelerators. A laser under oblique angle of incidence ionizes a dopant gas in plasma and ponderomotively accelerates the released electrons into the direction of wake propagation. This process enables electron trapping in the wakefield even for a wakefield potential below the trapping threshold. We study the scheme theoretically and by means of particle-in-cell (PIC) simulations to demonstrate high-quality beam formation and acceleration with sub-micrometer normalized emittances and sub-percent uncorrelated energy spreads.

Classification:

ddc:530

Contributing Institute(s):

Research Program(s):

621 - Accelerator Research and Development (POF4-621) (POF4-621)

Experiment(s):

No specific instrument

Appears in the scientific report 2021

Database coverage:
Medline

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