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Laser acceleration of quasi-monoenergetic MeV ion beams

Acceleration of particles by intense laser–plasma interactions represents a rapidly evolving field of interest, as highlighted by the recent demonstration of laser-driven relativistic beams of monoenergetic electrons. Ultrahigh-intensity lasers can produce accelerating fields of 10 TV m-1 (1 TV = 10... Full description

Journal Title: Nature 2006, Vol.439 (7075), p.441-444
Main Author: Hegelich, B. M
Other Authors: Albright, B. J , Cobble, J , Flippo, K , Letzring, S , Paffett, M , Ruhl, H , Schreiber, J , Schulze, R. K , Fernández, J. C
Format: Electronic Article Electronic Article
Language: English
Subjects:
Publisher: London: Nature Publishing
ID: ISSN: 0028-0836
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recordid: cdi_proquest_miscellaneous_743266379
title: Laser acceleration of quasi-monoenergetic MeV ion beams
format: Article
creator:
  • Hegelich, B. M
  • Albright, B. J
  • Cobble, J
  • Flippo, K
  • Letzring, S
  • Paffett, M
  • Ruhl, H
  • Schreiber, J
  • Schulze, R. K
  • Fernández, J. C
subjects:
  • Charged-particle beams
  • Electromagnetism
  • electron and ion optics
  • Exact sciences and technology
  • Fundamental areas of phenomenology (including applications)
  • Laser-driven acceleration
  • Laser-plasma acceleration of electrons and ions
  • Laser-plasma interactions
  • Physics
  • Physics of gases, plasmas and electric discharges
  • Physics of plasmas and electric discharges
ispartof: Nature, 2006, Vol.439 (7075), p.441-444
description: Acceleration of particles by intense laser–plasma interactions represents a rapidly evolving field of interest, as highlighted by the recent demonstration of laser-driven relativistic beams of monoenergetic electrons. Ultrahigh-intensity lasers can produce accelerating fields of 10 TV m-1 (1 TV = 1012 V), surpassing those in conventional accelerators by six orders of magnitude. Laser-driven ions with energies of several MeV per nucleon have also been produced. Such ion beams exhibit unprecedented characteristics—short pulse lengths, high currents and low transverse emittance—but their exponential energy spectra have almost 100% energy spread. This large energy spread, which is a consequence of the experimental conditions used to date, remains the biggest impediment to the wider use of this technology. Here we report the production of quasi-monoenergetic laser-driven C5+ ions with a vastly reduced energy spread of 17%. The ions have a mean energy of 3 MeV per nucleon (full-width at half-maximum ∼0.5 MeV per nucleon) and a longitudinal emittance of less than 2 × 10-6 eV s for pulse durations shorter than 1 ps. Such laser-driven, high-current, quasi-monoenergetic ion sources may enable significant advances in the development of compact MeV ion accelerators, new diagnostics, medical physics, inertial confinement fusion and fast ignition.
language: eng
source:
identifier: ISSN: 0028-0836
fulltext: no_fulltext
issn:
  • 0028-0836
  • 1476-4687
  • 1476-4679
url: Link


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titleLaser acceleration of quasi-monoenergetic MeV ion beams
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creatorcontribHegelich, B. M ; Albright, B. J ; Cobble, J ; Flippo, K ; Letzring, S ; Paffett, M ; Ruhl, H ; Schreiber, J ; Schulze, R. K ; Fernández, J. C
descriptionAcceleration of particles by intense laser–plasma interactions represents a rapidly evolving field of interest, as highlighted by the recent demonstration of laser-driven relativistic beams of monoenergetic electrons. Ultrahigh-intensity lasers can produce accelerating fields of 10 TV m-1 (1 TV = 1012 V), surpassing those in conventional accelerators by six orders of magnitude. Laser-driven ions with energies of several MeV per nucleon have also been produced. Such ion beams exhibit unprecedented characteristics—short pulse lengths, high currents and low transverse emittance—but their exponential energy spectra have almost 100% energy spread. This large energy spread, which is a consequence of the experimental conditions used to date, remains the biggest impediment to the wider use of this technology. Here we report the production of quasi-monoenergetic laser-driven C5+ ions with a vastly reduced energy spread of 17%. The ions have a mean energy of 3 MeV per nucleon (full-width at half-maximum ∼0.5 MeV per nucleon) and a longitudinal emittance of less than 2 × 10-6 eV s for pulse durations shorter than 1 ps. Such laser-driven, high-current, quasi-monoenergetic ion sources may enable significant advances in the development of compact MeV ion accelerators, new diagnostics, medical physics, inertial confinement fusion and fast ignition.
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subjectCharged-particle beams ; Electromagnetism; electron and ion optics ; Exact sciences and technology ; Fundamental areas of phenomenology (including applications) ; Laser-driven acceleration ; Laser-plasma acceleration of electrons and ions ; Laser-plasma interactions ; Physics ; Physics of gases, plasmas and electric discharges ; Physics of plasmas and electric discharges
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descriptionAcceleration of particles by intense laser–plasma interactions represents a rapidly evolving field of interest, as highlighted by the recent demonstration of laser-driven relativistic beams of monoenergetic electrons. Ultrahigh-intensity lasers can produce accelerating fields of 10 TV m-1 (1 TV = 1012 V), surpassing those in conventional accelerators by six orders of magnitude. Laser-driven ions with energies of several MeV per nucleon have also been produced. Such ion beams exhibit unprecedented characteristics—short pulse lengths, high currents and low transverse emittance—but their exponential energy spectra have almost 100% energy spread. This large energy spread, which is a consequence of the experimental conditions used to date, remains the biggest impediment to the wider use of this technology. Here we report the production of quasi-monoenergetic laser-driven C5+ ions with a vastly reduced energy spread of 17%. The ions have a mean energy of 3 MeV per nucleon (full-width at half-maximum ∼0.5 MeV per nucleon) and a longitudinal emittance of less than 2 × 10-6 eV s for pulse durations shorter than 1 ps. Such laser-driven, high-current, quasi-monoenergetic ion sources may enable significant advances in the development of compact MeV ion accelerators, new diagnostics, medical physics, inertial confinement fusion and fast ignition.
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abstractAcceleration of particles by intense laser–plasma interactions represents a rapidly evolving field of interest, as highlighted by the recent demonstration of laser-driven relativistic beams of monoenergetic electrons. Ultrahigh-intensity lasers can produce accelerating fields of 10 TV m-1 (1 TV = 1012 V), surpassing those in conventional accelerators by six orders of magnitude. Laser-driven ions with energies of several MeV per nucleon have also been produced. Such ion beams exhibit unprecedented characteristics—short pulse lengths, high currents and low transverse emittance—but their exponential energy spectra have almost 100% energy spread. This large energy spread, which is a consequence of the experimental conditions used to date, remains the biggest impediment to the wider use of this technology. Here we report the production of quasi-monoenergetic laser-driven C5+ ions with a vastly reduced energy spread of 17%. The ions have a mean energy of 3 MeV per nucleon (full-width at half-maximum ∼0.5 MeV per nucleon) and a longitudinal emittance of less than 2 × 10-6 eV s for pulse durations shorter than 1 ps. Such laser-driven, high-current, quasi-monoenergetic ion sources may enable significant advances in the development of compact MeV ion accelerators, new diagnostics, medical physics, inertial confinement fusion and fast ignition.
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