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Persistent URL http://purl.org/net/epubs/work/32526805
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Record Id 32526805
Title Characterization of Quasi-Monoenergetic Electron Beams at the Lund Laser Centre
Abstract Experiments performed with the high-contrast 0.7-J 35-fs Ti:sapphire laser at the Lund Laser Centre focused into a helium gas jet have produced quasi-monoenergetic electron beams with energies up to 150 MeV. The beam is produced as a result of controlled wavebreaking of a wakefleld generated by the relativistically channeled laser beam. Under the best conditions of laser energy and plasma density, a beam with narrow-energy-spread component was produced on every shot with an energy stability of ~10% and a pointing stability of ~6 mrad. Furthermore, it can be deduced that the electron beam originates from a source with both transverse and longitudinal extents < 10 mum, implying a pulselength of < 25 fs. These measurements mark an important improvement in the characterization, as well as repeatability, of laser-plasma-generated electron beams with a single driver laser beam.
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Journal Article IEEE Trans Plasma Sci 36, no. 4 (2008): 1707-1714. doi:10.1109/TPS.2008.2001190 2008