Temporal structure of attosecond pulses from laser-driven coherent synchrotron emission

S. Cousens, B. Reville, B. Dromey, M. Zepf

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35 Citations (Scopus)


The microscopic dynamics of laser-driven coherent synchrotron emission transmitted through thin foils are investigated using particle-in-cell simulations. For normal incidence interactions, we identify the formation of two distinct electron nanobunches from which emission takes place each half-cycle of the driving laser pulse. These emissions are separated temporally by 130 attoseconds and are dominant in different frequency ranges, which is a direct consequence of the distinct characteristics of each electron nanobunch. This may be exploited through spectral filtering to isolate these emissions, generating electromagnetic pulses of duration ~70 as.
Original languageEnglish
Article number083901
Number of pages5
JournalPhysical Review Letters
Publication statusPublished - 25 Feb 2016


  • physics.plasm-ph
  • physics.optics


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