Advanced simulations of x-ray beam propagation through CRL transfocators using ray-tracing and wavefront propagation methods

Jana Baltser; Erik Knudsen; Anette Vickery; Oleg Chubar; Anatoly Snigirev; Gavin Vaughan; Robert Feidenhans'l; Kim Lefmann

doi:10.1117/12.893343

23 September 2011 Advanced simulations of x-ray beam propagation through CRL transfocators using ray-tracing and wavefront propagation methods

Jana Baltser, Erik Knudsen, Anette Vickery, Oleg Chubar, Anatoly Snigirev, Gavin Vaughan, Robert Feidenhans'l, Kim Lefmann

Author Affiliations +

Proceedings Volume 8141, Advances in Computational Methods for X-Ray Optics II; 814111 (2011) https://doi.org/10.1117/12.893343
Event: SPIE Optical Engineering + Applications, 2011, San Diego, California, United States

Abstract

Compound refractive lenses (CRL) are widely used to manipulate synchrotron radiation beams. Accurate modelling of X-ray beam propagation through individual lenses and through "transfocators" composed of a large number of CRLs is of high importance, since it allows for comprehensive optimization of X-ray beamline designs for particular user experiments. In this work we used the newly developed McXtrace ray-tracing package and the SRW wave-optics code to simulate the beam propagation of X-ray undulator radiation through such a "transfocator" as implemented at ID- 11 at ESRF. By applying two complementary simulation methods, we were able to obtain comparable results (e.g. the beam's focused properties) and also to provide a complete description of X-ray beam propagation through the CRLs and other optical components. However, some discrepancies between the results acquired by both methods (e.g. broader monochromatization degree obtained with the McXtrace code) brought a meaningful insight into further development strategies for the McXtrace package.

Citation Download Citation

Jana Baltser, Erik Knudsen, Anette Vickery, Oleg Chubar, Anatoly Snigirev, Gavin Vaughan, Robert Feidenhans'l, and Kim Lefmann "Advanced simulations of x-ray beam propagation through CRL transfocators using ray-tracing and wavefront propagation methods", Proc. SPIE 8141, Advances in Computational Methods for X-Ray Optics II, 814111 (23 September 2011); https://doi.org/10.1117/12.893343

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