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Laser-wakefield accelerators for high-resolution X-ray imaging of complex microstructures

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    0520770 - FZÚ 2020 RIV GB eng J - Článek v odborném periodiku
    Hussein, A.E. - Senabulya, N. - Ma, Y. - Streeter, M.J.V. - Kettle, B. - Dann, S. J. D. - Albert, F. - Bourgeois, N. - Cipiccia, S. - Cole, J.M. - Finlay, O. - Gerstmayr, E. - Gonzalez, I.G. - Higginbotham, A. - Jaroszynski, D.A. - Falk, Kateřina - Krushelnick, K. - Lemos, N. - Lopes, N. C. - Lumsdon, C. - Lundh, O. - Mangles, S.P.D. - Najmudin, Z. - Rajeev, P. P. - Schleputz, C.M. - Shahzad, M. - Šmíd, Michal - Spesyvtsev, R. - Symes, D.R. - Vieux, G. - Willingale, L. - Wood, J. C. - Shahani, A. J. - Thomas, A.G.R.
    Laser-wakefield accelerators for high-resolution X-ray imaging of complex microstructures.
    Scientific Reports. Roč. 9, č. 1 (2019), s. 1-13, č. článku 3249. ISSN 2045-2322. E-ISSN 2045-2322
    GRANT EU: European Commission(XE) 654148 - LASERLAB-EUROPE
    Institucionální podpora: RVO:68378271
    Klíčová slova: laser-wakefield accelerators * particle accelerators * ultra-relativistic electron beam * X-ray bright pulse * imaging applications
    Kód oboru RIV: BH - Optika, masery a lasery
    Obor OECD: Optics (including laser optics and quantum optics)
    Impakt faktor: 3.998, rok: 2019

    Laser-wakefield accelerators (LWFAs) are high acceleration-gradient plasma-based particle accelerators capable of producing ultra-relativistic electron beams. Within the strong focusing fields of the wakefield, accelerated electrons undergo betatron oscillations, emitting a bright pulse of X-rays with a micrometer-scale source size that may be used for imaging applications. Non-destructive X-ray phase contrast imaging and tomography of heterogeneous materials can provide insight into their processing, structure, and performance. To demonstrate the imaging capability of X-rays from an LWFA we have examined an irregular eutectic in the aluminum-silicon (Al-Si) system. We present comparisons between the sharpness and spatial resolution in phase contrast images of this eutectic alloy obtained via X-ray phase contrast imaging at the Swiss Light Source (SLS) synchrotron and X-ray projection microscopy via an LWFA source.
    Trvalý link: http://hdl.handle.net/11104/0305439
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