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| Home > Publications database > Decoding Sources of Energy Variability in Laser-Plasma Accelerators |
| Journal Article | PUBDB-2020-02855 |
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2020
APS
College Park, Md.
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Please use a persistent id in citations: doi:10.1103/PhysRevX.10.031039 doi:10.3204/PUBDB-2020-02855
Abstract: Laser-plasma acceleration promises compact sources of high-brightness relativistic electron beams. However, the limited stability often associated with laser-plasma acceleration has previously prevented a detailed mapping of drive laser and electron performance and represents a major obstacle towards advancing laser-plasma acceleration for applications. Here, we correlate drive laser and electron beam parameters with high statistics to identify and quantify sources of electron energy drift and jitter. Based on our findings, we provide a parametrization to predict the electron energy drift with sub-percent accuracy for many hours from measured laser parameters, which opens a path for performance improvements by active stabilization. Our results are enabled by the first stable 24-hour operation of a laser-plasma accelerator and the statistics from 100,000 consecutive electron beams, which, by itself, marks an important milestone.
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