Abstract
We describe a method to obtain sufficiently low energy spread laser wakefield accelerated electron beams for injection into a conventional undulator and free electron lasing. By using two laser pulses: a moderate power laser to inject and accelerate electrons via its wakefield to moderate energies and a second more powerful laser pulse to generate another wakefield further accelerating them to 1 GeV, and properly matching the acceleration stages an energy spread of 0.2% is possible, leading to the realization of a compact X-ray free electron laser.
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Acknowledgements
This research was funded by the ImPACT Program of the Council for Science, Technology and Innovation (Cabinet Office, Government of Japan).
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Koga, J.K., Bulanov, S.V., Esirkepov, T.Z., Kando, M. (2018). Achieving Laser Wakefield Accelerated Electron Beams of Low Enough Energy Spread for an X-FEL. In: Kawachi, T., Bulanov, S., Daido, H., Kato, Y. (eds) X-Ray Lasers 2016. ICXRL 2016. Springer Proceedings in Physics, vol 202. Springer, Cham. https://doi.org/10.1007/978-3-319-73025-7_18
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DOI: https://doi.org/10.1007/978-3-319-73025-7_18
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