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Demonstration Scheme for a Laser-Plasma-Driven Free-Electron Laser

Laser-plasma accelerators are prominent candidates for driving next-generation compact light sources, promising high-brightness, few-femtosecond x-ray pulses intrinsically synchronized to an optical laser, and thus are ideally suited for pump-probe experiments with femtosecond resolution. So far, th...

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Bibliographic Details
Published in:Physical review. X 2012-09, Vol.2 (3), p.031019, Article 031019
Main Authors: Maier, A. R., Meseck, A., Reiche, S., Schroeder, C. B., Seggebrock, T., Grüner, F.
Format: Article
Language:English
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Summary:Laser-plasma accelerators are prominent candidates for driving next-generation compact light sources, promising high-brightness, few-femtosecond x-ray pulses intrinsically synchronized to an optical laser, and thus are ideally suited for pump-probe experiments with femtosecond resolution. So far, the large spectral width of laser-plasma-driven beams has been preventing a successful free-electron laser (FEL) demonstration using such sources. In this paper, we study the application of an optimized undulator design and bunch decompression to large-energy-spread beams in order to permit FEL amplification. Numerically, we show a proof-of-principle scenario to demonstrate FEL gain in the vacuum ultraviolet range with electron beams from laser-plasma accelerators as currently available in experiments.
ISSN:2160-3308
2160-3308
DOI:10.1103/PhysRevX.2.031019