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Proceedings Paper

Observations of longitudinal and transverse self-injections in laser-plasma wakefield accelerators
Author(s): C. Thaury; S. Corde; A. Lifschitz; G. Lambert; K. Ta Phuoc; X. Davoine; R. Lehe; D. Douillet; A. Rousse; V. Malka
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Paper Abstract

One of the key ingredients of laser-plasma accelerators is their injector, which defines how electrons are trapped into the laser-driven plasma wave. The stability and control of laser-plasma electron bunches strongly depends on this injection stage. Self-injection is a convenient way to achieve the electron trapping and is the most widely used injector. Here we demonstrate, by using a variable length gas cell, that injection can be achieved by either longitudinal or transverse self-injection, giving rise to very different electron beam features. The results are supported by 3 dimensional particle-in-cell simulations.

Paper Details

Date Published: 7 May 2013
PDF: 8 pages
Proc. SPIE 8779, Laser Acceleration of Electrons, Protons, and Ions II; and Medical Applications of Laser-Generated Beams of Particles II; and Harnessing Relativistic Plasma Waves III, 877907 (7 May 2013); doi: 10.1117/12.2017422
Show Author Affiliations
C. Thaury, Lab. d’Optique Appliquée, CNRS, ENSTA ParisTech, École Polytechnique (France)
S. Corde, Lab. d’Optique Appliquée, CNRS, ENSTA ParisTech, École Polytechnique (France)
A. Lifschitz, Lab. d’Optique Appliquée, CNRS, ENSTA ParisTech, École Polytechnique (France)
G. Lambert, Lab. d’Optique Appliquée, CNRS, ENSTA ParisTech, École Polytechnique (France)
K. Ta Phuoc, Lab. d’Optique Appliquée, CNRS, ENSTA ParisTech, École Polytechnique (France)
X. Davoine, CEA DAM/DIF (France)
R. Lehe, Lab. d’Optique Appliquée, CNRS, ENSTA ParisTech, École Polytechnique (France)
D. Douillet, Lab. d’Optique Appliquée, CNRS, ENSTA ParisTech, École Polytechnique (France)
A. Rousse, Lab. d’Optique Appliquée, CNRS, ENSTA ParisTech, École Polytechnique (France)
V. Malka, Lab. d’Optique Appliquée, CNRS, ENSTA ParisTech, École Polytechnique (France)


Published in SPIE Proceedings Vol. 8779:
Laser Acceleration of Electrons, Protons, and Ions II; and Medical Applications of Laser-Generated Beams of Particles II; and Harnessing Relativistic Plasma Waves III
Eric Esarey; Dino A. Jaroszynski; Carl B. Schroeder; Wim P. Leemans; Kenneth W. D. Ledingham, Editor(s)

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