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Proceedings Paper

Advanced simulations of x-ray beam propagation through CRL transfocators using ray-tracing and wavefront propagation methods
Author(s): Jana Baltser; Erik Knudsen; Anette Vickery; Oleg Chubar; Anatoly Snigirev; Gavin Vaughan; Robert Feidenhans'l; Kim Lefmann
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Paper 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.

Paper Details

Date Published: 23 September 2011
PDF: 8 pages
Proc. SPIE 8141, Advances in Computational Methods for X-Ray Optics II, 814111 (23 September 2011); doi: 10.1117/12.893343
Show Author Affiliations
Jana Baltser, Univ. of Copenhagen (Denmark)
Brookhaven National Lab. (United States)
Erik Knudsen, Risø DTU (Denmark)
Anette Vickery, Univ. of Copenhagen (Denmark)
Oleg Chubar, Brookhaven National Lab. (United States)
Anatoly Snigirev, European Synchrotron Radiation Facility (France)
Gavin Vaughan, European Synchrotron Radiation Facility (France)
Robert Feidenhans'l, Univ. of Copenhagen (Denmark)
Kim Lefmann, Univ. of Copenhagen (Denmark)

Published in SPIE Proceedings Vol. 8141:
Advances in Computational Methods for X-Ray Optics II
Manuel Sanchez del Rio; Oleg Chubar, Editor(s)

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