期刊
PHYSICS OF PLASMAS
卷 19, 期 6, 页码 -出版社
AIP Publishing
DOI: 10.1063/1.4725421
关键词
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资金
- European Research Council [226424]
- EC FP7 LASERLAB-EUROPE/LAPTECH [228334]
- EPSRC [EP/I014462/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/I014462/1] Funding Source: researchfish
A density perturbation in an underdense plasma was used to improve the quality of electron bunches produced in the laser-plasma wakefield acceleration scheme. Quasi-monoenergetic electrons were generated by controlled injection in the longitudinal density gradients of the density perturbation. By tuning the position of the density perturbation along the laser propagation axis, a fine control of the electron energy from a mean value of 60 MeV to 120 MeV has been demonstrated with a relative energy-spread of 15 +/- 3.6%, divergence of 4 +/- 0.8 mrad, and charge of 6 +/- 1.8 pC. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4725421]
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