Abstract
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 language | English |
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Article number | 083901 |
Number of pages | 5 |
Journal | Physical Review Letters |
Volume | 116 |
DOIs | |
Publication status | Published - 25 Feb 2016 |
Keywords
- physics.plasm-ph
- physics.optics
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Profiles
-
Matthew Zepf
- School of Mathematics and Physics - Visiting Scholar
- Centre for Plasma Physics (CPP)
Person: Academic