Ultrashort-duration relativistic electron beam accelerated by an intense laser

Research output: Contribution to journalConference article

Abstract

The self-modulated laser wakefield regime, where the laser pulse duration is much longer than a plasma period is discussed. The plasma wave was measured with Thomson scattering to have a duration of 1.5 ps or plasma periods. The electron acceleration beyond the current limitation of laser-plasma accelerators are also demonstrated. To create monoenergetic femtosecond electron bunches, a new concept for laser injection of electrons using the plasma itself as the cathode is also discussed. It is shown by use of a 2-D particle-in-cell numerical code that it will produce 2-fs electronbunches with energy spread at the percent level.

Original languageEnglish (US)
Number of pages1
JournalConference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS
Volume11
StatePublished - Jan 1 1997
EventProceedings of the 1997 Conference on Lasers and Electro-Optics, CLEO - Baltimore, MD, USA
Duration: May 18 1997May 23 1997

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Electron beams
Plasmas
Electrons
Lasers
Plasma accelerators
Injection lasers
Plasma waves
Laser pulses
Cathodes
Scattering

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cite this

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abstract = "The self-modulated laser wakefield regime, where the laser pulse duration is much longer than a plasma period is discussed. The plasma wave was measured with Thomson scattering to have a duration of 1.5 ps or plasma periods. The electron acceleration beyond the current limitation of laser-plasma accelerators are also demonstrated. To create monoenergetic femtosecond electron bunches, a new concept for laser injection of electrons using the plasma itself as the cathode is also discussed. It is shown by use of a 2-D particle-in-cell numerical code that it will produce 2-fs electronbunches with energy spread at the percent level.",
author = "Donald Umstadter",
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AB - The self-modulated laser wakefield regime, where the laser pulse duration is much longer than a plasma period is discussed. The plasma wave was measured with Thomson scattering to have a duration of 1.5 ps or plasma periods. The electron acceleration beyond the current limitation of laser-plasma accelerators are also demonstrated. To create monoenergetic femtosecond electron bunches, a new concept for laser injection of electrons using the plasma itself as the cathode is also discussed. It is shown by use of a 2-D particle-in-cell numerical code that it will produce 2-fs electronbunches with energy spread at the percent level.

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