MeV electron acceleration at 1 kHz with <10 mJ laser pulses

  • F. Salehi
  • , A. J. Goers
  • , G. A. Hine
  • , L. Feder
  • , D. Kuk
  • , B. Miao
  • , D. Woodbury
  • , K. Y. Kim
  • , H. M. Milchberg

Research output: Contribution to journalArticlepeer-review

93 Scopus citations

Abstract

We demonstrate laser-driven acceleration of electrons to MeV-scale energies at 1 kHz repetition rate using <10 mJ pulses focused on near-critical density He and H2 gas jets. Using the H2 gas jet, electron acceleration to ∼0.5 MeV in ∼10 fC bunches was observed with laser pulse energy as low as 1.3 mJ. Increasing the pulse energy to 10 mJ, we measure ∼1 pC charge bunches with >1 MeV energy for both He and H2 gas jets.

Original languageEnglish
Pages (from-to)215-218
Number of pages4
JournalOptics Letters
Volume42
Issue number2
DOIs
StatePublished - Jan 15 2017
Externally publishedYes

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