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X-RAY PHOTONICS

Towards coherent X-ray free-electron lasers

Nature Photonics volume 13, pages 513–515 (2019)Cite this article

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Increased bandwidth and fluctuations are hurdles on the path towards generating intense fully coherent X-ray free-electron laser output. A recent experiment at FERMI Trieste demonstrated that these difficulties can be overcome by an approach called echo-enabled harmonic generation.

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Fig. 1: Illustration of EEHG followed by exponential growth.

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Authors and Affiliations

  1. NSLS-II, Brookhaven National Laboratory, Upton, NY, USA

    Li Hua Yu & Timur Shaftan

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  1. Li Hua Yu
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  2. Timur Shaftan
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Correspondence to Li Hua Yu.

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Yu, L.H., Shaftan, T. Towards coherent X-ray free-electron lasers. Nat. Photonics 13, 513–515 (2019). https://doi.org/10.1038/s41566-019-0495-2

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