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Electron self-injection and acceleration driven by a tightly focused intense laser beam in an underdense plasma

Journal Article · · Physics of Plasmas
DOI:https://doi.org/10.1063/1.1827625· OSTI ID:20657989
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  1. Shanghai Institute of Optics and Fine Mechanics, Shanghai 201800 (China)
A scheme for electron self-injection in the laser wakefield acceleration is proposed. In this scheme, the transverse wave breaking of the wakefield and the tightly focused geometry of the laser beam play important roles. A large number of the background electrons are self-injected into the acceleration phase of the wakefield during the defocusing of the tightly focused laser beam as it propagates through an underdense plasma. Particle-in-cell simulations performed using a 2D3V code have shown generation of a collimated electron bunch with a total number of 1.4x10{sup 9} and energies up to 8 MeV.
OSTI ID:
20657989
Journal Information:
Physics of Plasmas, Journal Name: Physics of Plasmas Journal Issue: 1 Vol. 12; ISSN PHPAEN; ISSN 1070-664X
Country of Publication:
United States
Language:
English

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