Paper
5 September 2014 Partially coherent wavefront propagation simulations for inelastic x-ray scattering beamline including crystal optics
Alexey Suvorov, Yong Q. Cai, John P. Sutter, Oleg Chubar
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Abstract
Up to now simulation of perfect crystal optics in the “Synchrotron Radiation Workshop” (SRW) wave-optics computer code was not available, thus hindering the accurate modelling of synchrotron radiation beamlines containing optical components with multiple-crystal arrangements, such as double-crystal monochromators and high-energy-resolution monochromators. A new module has been developed for SRW for calculating dynamical diffraction from a perfect crystal in the Bragg case. We demonstrate its successful application to the modelling of partially-coherent undulator radiation propagating through the Inelastic X-ray Scattering (IXS) beamline of the National Synchrotron Light Source II (NSLS-II) at Brookhaven National Laboratory. The IXS beamline contains a double-crystal and a multiple-crystal highenergy- resolution monochromator, as well as complex optics such as compound refractive lenses and Kirkpatrick-Baez mirrors for the X-ray beam transport and shaping, which makes it an excellent case for benchmarking the new functionalities of the updated SRW codes. As a photon-hungry experimental technique, this case study for the IXS beamline is particularly valuable as it provides an accurate evaluation of the photon flux at the sample position, using the most advanced simulation methods and taking into account parameters of the electron beam, details of undulator source, and the crystal optics.
© (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Alexey Suvorov, Yong Q. Cai, John P. Sutter, and Oleg Chubar "Partially coherent wavefront propagation simulations for inelastic x-ray scattering beamline including crystal optics", Proc. SPIE 9209, Advances in Computational Methods for X-Ray Optics III, 92090H (5 September 2014); https://doi.org/10.1117/12.2061987
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Cited by 5 scholarly publications.
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KEYWORDS
Crystals

X-rays

Optical simulations

Diffraction

Laser crystals

Crystal optics

Mirrors

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