Development of crystal optics for X-ray multi-projection imaging for synchrotron and XFEL sources

Bellucci, V.; Birnsteinova, S.; Sato, T.; Letrun, R.; Koliyadu, J.C.P.; Kim, C.; Giovanetti, G.; Deiter, C.; Samoylova, L.; Petrov, I.; Lopez Morillo, L.; Graceffa, R.; Adriano, L.; Huelsen, H.; Kollmann, H.; Tran Calliste, T.N.; Korytar, D.; Zaprazny, Z.; Mazzolari, A.; Romagnoni, M.; Asimakopoulou, E.M.; Yao, Z.; Zhang, Y.; Ulicny, J.; Meents, A.; Chapman, H.N.; Bean, R.; Mancuso, A.; Villanueva-Perez, P.; Vagovic, P.

doi:10.1107/S1600577524008488

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Figure 4
Simulation of the In-Parallel multi-projection setup acceptance using DuMond diagrams showing diffraction efficiency versus angle and photon energy. The splitter and recombiner acceptances are represented by bands with different widths and inclinations. In this example, the splitter is a diamond 113 Laue with asymmetry 17.55°, while the recombiner is a germanium (660) Bragg with asymmetry angle 10° and multiplicity 8. The beamlet acceptance is obtained by multiplying the DuMond diagrams of the splitter and recombiner and dividing by the multiplicity of the plane family. The direct beam is visible in the last graphic as dashed red lines, in this example with photon energy 19.1 keV, chromaticity 20 eV and angular divergence 4 µrad to simulate the EuXFEL SPB/SFX beam. This photon energy and the splitter parameters were selected for the reasons listed in Sections 3.1

and 3.2

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ISSN: 1600-5775

Volume 31| Part 6| November 2024| Pages 1534-1550

https://doi.org/10.1107/S1600577524008488

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