Accurate prediction of X-ray pulse properties from a free-electron laser using machine learning
- Imperial College, London (United Kingdom). Dept. of Physics
- SLAC National Accelerator Lab., Menlo Park, CA (United States). Photon Ultrafast Laser Science and Engineering Inst. (PULSE); European X-ray Free-Electron Laser (XFEL), Schenefeld (Germany)
- SLAC National Accelerator Lab., Menlo Park, CA (United States). Linac Coherent Light Source (LCLS)
- European X-ray Free-Electron Laser (XFEL), Schenefeld (Germany)
- Uppsala Univ. (Sweden). Dept. of Physics and Astronomy
- Univ. of Connecticut, Storrs, CT (United States). Dept. of Physics
- SLAC National Accelerator Lab., Menlo Park, CA (United States). Linac Coherent Light Source (LCLS); Argonne National Lab. (ANL), Argonne, IL (United States)
- Synchrotron SOLEIL, Saint-Aubin, Gif-sur-Yvette (France)
- Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
- SLAC National Accelerator Lab., Menlo Park, CA (United States). Photon Ultrafast Laser Science and Engineering Inst. (PULSE); Stanford Univ., CA (United States). Dept. of Physics
- SLAC National Accelerator Lab., Menlo Park, CA (United States). Linac Coherent Light Source (LCLS); California Lutheran Univ., Thousand Oaks, CA (United States). Dept. of Physics
- SLAC National Accelerator Lab., Menlo Park, CA (United States). Photon Ultrafast Laser Science and Engineering Inst. (PULSE)
- Univ. of Gothenburg (Sweden). Dept. of Physics
- Tohoku Univ., Sendai (Japan). Inst. of Multidisciplinary Research for Advanced Materials
- Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); Univ. Kassel (Germany). Inst. for Physics and Center for Interdisciplinary Nanostructure Science and Technology (CINSaT)
- SLAC National Accelerator Lab., Menlo Park, CA (United States). Linac Coherent Light Source (LCLS); Technische Univ. of Munich (Germany). Dept. of Physics
- Univ. Kassel (Germany). Inst. for Physics and Center for Interdisciplinary Nanostructure Science and Technology (CINSaT)
- SLAC National Accelerator Lab., Menlo Park, CA (United States). Photon Ultrafast Laser Science and Engineering Inst. (PULSE); Univ. of Gothenburg (Sweden). Dept. of Physics
- Lund Univ. (Sweden). MAX IV Lab.
Free-electron lasers providing ultra-short high-brightness pulses of X-ray radiation have great potential for a wide impact on science, and are a critical element for unravelling the structural dynamics of matter. To fully harness this potential, we must accurately know the X-ray properties: intensity, spectrum and temporal profile. Owing to the inherent fluctuations in free-electron lasers, this mandates a full characterization of the properties for each and every pulse. While diagnostics of these properties exist, they are often invasive and many cannot operate at a high-repetition rate. Here, we present a technique for circumventing this limitation. Employing a machine learning strategy, we can accurately predict X-ray properties for every shot using only parameters that are easily recorded at high-repetition rate, by training a model on a small set of fully diagnosed pulses. Lastly, this opens the door to fully realizing the promise of next-generation high-repetition rate X-ray lasers.
- Research Organization:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); Engineering and Physical Sciences Research Council (EPSRC); European Research Council (ERC)
- Grant/Contract Number:
- AC02-76SF00515; SC0012376; EP/I032517/1
- OSTI ID:
- 1369405
- Journal Information:
- Nature Communications, Vol. 8; ISSN 2041-1723
- Publisher:
- Nature Publishing GroupCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Web of Science
Similar Records
Accurate and confident prediction of electron beam longitudinal properties using spectral virtual diagnostics
Electronic Population Transfer via Impulsive Stimulated X-Ray Raman Scattering with Attosecond Soft-X-Ray Pulses