Cited by 2,008Laser-Plasma Interactions and DiagnosticsParticle Accelerators and Free-Electron LasersParticle accelerators and beam dynamics

The DOI matches its Crossref record; 33 of the 33 references it cites were found in a registry or an index; 3 of the 28 sources its claims cite were checked for support.

High-quality electron beams from a laser wakefield accelerator using plasma-channel guiding

Open access

Abstract

Laser-driven accelerators, in which particles are accelerated by the electric field of a plasma wave (the wakefield) driven by an intense laser, have demonstrated accelerating electric fields of hundreds of GV m(-1) (refs 1-3). These fields are thousands of times greater than those achievable in conventional radio-frequency accelerators, spurring interest in laser accelerators as compact next-generation sources of energetic electrons and radiation. To date, however, acceleration distances have been severely limited by the lack of a controllable method for extending the propagation distance of the focused laser pulse. The ensuing short acceleration distance results in low-energy beams with 100 per cent electron energy spread, which limits potential applications. Here we demonstrate a laser accelerator that produces electron beams with an energy spread of a few per cent, low emittance and increased energy (more than 10(9) electrons above 80 MeV). Our technique involves the use of a preformed plasma density channel to guide a relativistically intense laser, resulting in a longer propagation distance. The results open the way for compact and tunable high-brightness sources of electrons and radiation.

Overview

Integrity signals

Registry

Crossref · 10.1038/nature02900

Cites

33 of 33 references verified0 citation errors · 0 not checkable

Statistics

Nothing to recompute.

Verification

Claims the paper makes

21 Own result · 15 No full text of the sources · 14 Own interpretation · 5 No basis given · 3 Partly supported · 3 Own method · 1 Not checked yet · accuracy not yet measured

Show all 28 claims

  • Probably not a substantial claim. 4
  • It may state two separate claims as one. 31
34 of 34
  • The paper relies on this without support.

    The plasma does not expand significantly over 80 ps.

    “The plasma does not expand significantly over 80 ps, so there was no shock wave and the transverse density profile was flat and had no guiding properties.”
  • The paper relies on this without support.

    Space charge effects are minimal for this relativistic beam.

    “Space charge effects should be minimal for this relativistic beam, so assuming ballistic propagation from a source the size of the laser spot in the channel (8.5 µm at entrance, 24 µm at exit), an upper limit for the emittance can be obtained.”
  • The authors state this as an assumption.

    The electron beam propagates ballistically from a source the size of the laser spot in the channel.

    “Space charge effects should be minimal for this relativistic beam, so assuming ballistic propagation from a source the size of the laser spot in the channel (8.5 µm at entrance, 24 µm at exit), an upper limit for the emittance can be obtained.”
  • The paper relies on this without support.

    The slower phase velocity of the wake at high plasma density allows trapping of background plasma electrons yielding high charge electron beams without a separate injector.

    “This regime was chosen to allow comparison to unchannelled experiments, and also because the slower phase velocity of the wake at high plasma density allows trapping of background plasma electrons yielding high charge electron beams without a separate injector.”
  • The paper relies on this without support.

    At high densities, where the laser pulse length is longer than the plasma wavelength, the laser can self-modulate resulting in large plasma waves that trap particles from the bulk plasma.

    “At high densities, where the laser pulse length is longer than the plasma wavelength, the laser can self-modulate resulting in large plasma waves that trap particles from the bulk plasma.”
  • The paper relies on this without support.

    Intensities below 2x10^17 W/cm2 are too low to trap and accelerate electrons.

    “Such intensities are too low to trap and accelerate electrons.”
6 of 6

Citations

Cites

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Items 601–700 of 2,008

Metadata

Authors
Geddes, C. G. R., Toth, C., van Tilborg, J., Esarey, E., Schroeder, C. B., Bruhwiler, D., Nieter, C., Cary, J., & Leemans, W. P.
Affiliations
  • Lawrence Berkeley National Laboratory (US)
  • Tech-X Corporation (United States) (US)
  • University of Colorado Boulder (US)
Corresponding author
Leemans, W. P.
Venue
Nature
Published
2004-09
Volume
431
Issue
7008
Pages
538-541
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2035607724
Cited by
2,001
References
30
Citations by year
2026: 40 · 2025: 67 · 2024: 62 · 2023: 71 · 2022: 62 · 2021: 90 · 2020: 95 · 2019: 91 · 2018: 113 · 2017: 87 · 2016: 110 · 2015: 93 · 2014: 79 · 2013: 88 · 2012: 94
FWCI
54.54
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • University of North Texas Digital Library (University of North Texas) (submittedVersion)
  • TU/e Research Portal (submittedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
Topics
  • Physical Sciences › Physics and Astronomy › Nuclear and High Energy Physics › Laser-Plasma Interactions and Diagnostics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Particle Accelerators and Free-Electron Lasers
  • Physical Sciences › Physics and Astronomy › Nuclear and High Energy Physics › Particle accelerators and beam dynamics
Keywords
laser wakefield acceleration, electron beam, electron beam energy spread, beam emittance, plasma waves, radiation sources

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