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Title: Electron injection and trapping in a laser wakefield by field ionization to high-charge states of gases

Abstract

A scheme for electron injection into a laser wakefield is presented, which makes use of two orthogonally directed laser pulses and a gaseous medium with a moderate or high atomic number such as neon. A pump laser pulse ionizes the medium to its midcharge states to form underdense plasma and meanwhile excites a high amplitude wakefield firstly. Another ultrashort laser pulse with higher intensity is then injected transversely, which further ionizes the medium to high-charge states to produce new free electrons with certain energy. Part of these new-born electrons can be trapped and accelerated by the laser wakefield to high energies. Numerical simulations using a particle-in-cell code with field ionization included are conducted to verify the scheme.

Authors:
; ; ;  [1]
  1. Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080 (China)
Publication Date:
OSTI Identifier:
20787935
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Applied Physics; Journal Volume: 99; Journal Issue: 5; Other Information: DOI: 10.1063/1.2179194; (c) 2006 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; ATOMIC NUMBER; BEAM-PLASMA SYSTEMS; CHARGE STATES; ELECTRON BEAM INJECTION; ELECTRON BEAMS; ELECTRONS; IONIZATION; LASERS; LIGHT TRANSMISSION; NEON; PLASMA; PLASMA PRODUCTION; PLASMA SIMULATION; PULSES; TRAPPING

Citation Formats

Chen Min, Sheng Zhengming, Ma Yanyun, and Zhang Jie. Electron injection and trapping in a laser wakefield by field ionization to high-charge states of gases. United States: N. p., 2006. Web. doi:10.1063/1.2179194.
Chen Min, Sheng Zhengming, Ma Yanyun, & Zhang Jie. Electron injection and trapping in a laser wakefield by field ionization to high-charge states of gases. United States. doi:10.1063/1.2179194.
Chen Min, Sheng Zhengming, Ma Yanyun, and Zhang Jie. Wed . "Electron injection and trapping in a laser wakefield by field ionization to high-charge states of gases". United States. doi:10.1063/1.2179194.
@article{osti_20787935,
title = {Electron injection and trapping in a laser wakefield by field ionization to high-charge states of gases},
author = {Chen Min and Sheng Zhengming and Ma Yanyun and Zhang Jie},
abstractNote = {A scheme for electron injection into a laser wakefield is presented, which makes use of two orthogonally directed laser pulses and a gaseous medium with a moderate or high atomic number such as neon. A pump laser pulse ionizes the medium to its midcharge states to form underdense plasma and meanwhile excites a high amplitude wakefield firstly. Another ultrashort laser pulse with higher intensity is then injected transversely, which further ionizes the medium to high-charge states to produce new free electrons with certain energy. Part of these new-born electrons can be trapped and accelerated by the laser wakefield to high energies. Numerical simulations using a particle-in-cell code with field ionization included are conducted to verify the scheme.},
doi = {10.1063/1.2179194},
journal = {Journal of Applied Physics},
number = 5,
volume = 99,
place = {United States},
year = {Wed Mar 01 00:00:00 EST 2006},
month = {Wed Mar 01 00:00:00 EST 2006}
}