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This presentation will focus on solving certain x-ray dynamic diffraction problems using a beam propagation method (BPM). I will show examples of using the BPM method in: 1) simulating performance of non-perfect multilayer mirrors and focusing optics, such as multilayer Laue lenses (MML), 2) predicting damage thresholds of diffraction elements such as diffraction gratings, 3) modeling scattering of x-rays form deformed crystal. A special emphasis will be placed on including imperfection and thermal deformation in simulations of performance of x-ray optical elements. Some of simulation results will be related to experimental data. I will also compare the BPM method with other approaches to theory of x-ray dynamic diffraction.
Jacek Krzywinski
"Solving x-ray dynamic difraction problems with beam propagation method", Proc. SPIE 11493, Advances in Computational Methods for X-Ray Optics V, 114930X (27 August 2020); https://doi.org/10.1117/12.2570106
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Jacek Krzywinski, "Solving x-ray dynamic difraction problems with beam propagation method," Proc. SPIE 11493, Advances in Computational Methods for X-Ray Optics V, 114930X (27 August 2020); https://doi.org/10.1117/12.2570106