Satisfying the direct laser acceleration resonance condition in a laser wakefield accelerator | Zendy

Jessica Shaw | Zendy; Navid Vafaei-Najafabadi | Zendy; K. A. Marsh | Zendy; N. Lemos | Zendy; F. S. Tsung | Zendy; W. B. Mori | Zendy; C. Joshi | Zendy

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Satisfying the direct laser acceleration resonance condition in a laser wakefield accelerator

Author(s) -

Jessica Shaw,

Navid Vafaei-Najafabadi,

K. A. Marsh,

N. Lemos,

F. S. Tsung,

W. B. Mori,

C. Joshi

Publication year - 2016

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.177

H-Index - 75

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.4965616

Subject(s) - laser , electron , acceleration , physics , context (archaeology) , plasma acceleration , resonance (particle physics) , atomic physics , pulse (music) , cathode ray , particle accelerator , energy (signal processing) , optics , beam (structure) , nuclear physics , quantum mechanics , paleontology , detector , biology

In this proceeding we show that when the drive laser pulse overlaps the trapped electrons in a laser wakefield accelerator (LWFA), those electrons can gain energy from direct laser acceleration (DLA) over extended distances despite the evolution of both the laser and the wake. Through simulations, the evolution of the properties of both the laser and the electron beam is quantified, and then the resonance condition for DLA is examined in the context of this change. We find that although the electrons produced from the LWFA cannot continuously satisfy the DLA resonance condition, they nevertheless can gain a significant amount of energy from DLA.

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