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Persistent URL http://purl.org/net/epubs/work/32526663
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Record Id 32526663
Title On the stability of laser wakefield electron accelerators in the monoenergetic regime
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Abstract The effects of plasma density and laser energy on the stability of laser produced monoenergetic electron beams are investigated. Fluctuations in the principal beam parameters, namely, electron energy, energy-spread, charge, and pointing, are demonstrated to be minimized at low densities. This improvement in stability is attributed to the reduced time for pulse evolution required before self-injection occurs; i.e., that the pulse is closest to the matched conditions for these densities. It is also observed that electrons are only consistently produced above a density-dependent energy threshold. These observations are consistent with there being a threshold intensity (a0≳3) required for the occurrence of self-injection after accounting for pulse compression.
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Language English (EN)
Type Details URI(s) Local file(s) Year
Journal Article Phys Plasmas 14, no. 5 (2007): 056702. doi:10.1063/1.2436481 2007
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