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Diffractive-refractive optics: focus size of sagittally focusing X-ray monochromator

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    0539015 - FZÚ 2022 RIV NL eng J - Journal Article
    Hrdý, Jaromír - Oberta, Peter
    Diffractive-refractive optics: focus size of sagittally focusing X-ray monochromator.
    Nuclear Instruments & Methods in Physics Research Section A. Roč. 980, Nov (2020), č. článku 164469. ISSN 0168-9002. E-ISSN 1872-9576
    Institutional support: RVO:68378271
    Keywords : diffractive-refractive X-ray optics * dynamical theory of diffraction * X-ray optics
    OECD category: Optics (including laser optics and quantum optics)
    Impact factor: 1.455, year: 2020
    Method of publishing: Limited access
    https://doi.org/10.1016/j.nima.2020.164469

    A sagittally focusing X-ray crystal monochromator based on diffractive-refractive optics is a four-crystal (+,-,-,+) monochromator with parabolic longitudinal grooves on the crystals surface. Such a monochromator is simultaneously able of focusing and monochromatizing a white beam. The focusing was experimentally proved in earlier papers but the size of the focus was always larger than expected. This discrepancy has not been properly discussed. Such a discussion is presented in this paper.

    Permanent Link: http://hdl.handle.net/11104/0316749

     
     
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