Spatial displacement of forward-diffracted X-ray beams by perfect crystals

Rodriguez-Fernandez, A.; Esposito, V.; Sanchez, D.F.; Finkelstein, K.D.; Juranic, P.; Staub, U.; Grolimund, D.; Reiche, S.; Pedrini, B.

doi:10.1107/S2053273318001419

Acta Crystallographica Section A
Acta Crystallographica
Section A FOUNDATIONS AND ADVANCES

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Figure 3
(a) Simulated reflectivity curve $[I_{\rm R}(\Delta k)]$ for the (220) reflection in symmetric Bragg geometry of a 400 µm-thick diamond single crystal at 12 keV. (b), (c) Simulated transverse intensity profile I_T(t,x) in the x direction as a function of time t of the transmitted beam at the beam waist downstream of the crystal: (b) photon energy 3 eV below the maximal diffraction condition, corresponding to point (1) in panel (a); (c) photon energy for the maximal diffraction condition, corresponding to point (3) in panel (a). (d), (e) Images of the intensity $[{\overline I}^{t}(x,y)]$ in the transverse (x,y) plane integrated over time for the configurations of panels (b) and (c), respectively.

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ISSN: 2053-2733

Volume 74| Part 2| March 2018| Pages 75-87

https://doi.org/10.1107/S2053273318001419

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