Reduced model representation of x-ray transport suitable for beamline control

B. Nash; N. Goldring; J. Edelen; C. Federer; P. Moeller; Stephen Webb

doi:10.1117/12.2568187

21 August 2020 Reduced model representation of x-ray transport suitable for beamline control

B. Nash, N. Goldring, J. Edelen, C. Federer, P. Moeller, Stephen Webb

Proceedings Volume 11493, Advances in Computational Methods for X-Ray Optics V; 114930C (2020) https://doi.org/10.1117/12.2568187
Event: SPIE Optical Engineering + Applications, 2020, Online Only

Abstract

We describe a reduced model approach to x-ray transport down synchrotron radiation beamlines. The method uses a ray tracing code for computation of a transfer matrix for sections including drift spaces and focusing elements separated by physical apertures. The transport matrix along the beamline is analyzed analogously to charged particle beam optics. For coherent radiation, the wavefront is propagated by the transport matrix via linear canonical transformation. For the partially coherent case, the matrix can be applied directly to the Wigner function. We apply this method to a beamline section comprised of a KB focusing system and compare results between Synchrotron Radiation Workshop and SHADOW. Machine learning methods are also used for 2-D automated alignment. Plans for use of the reduced model within a beamline control system and more advanced used of machine learning methods for automation and reconfiguration are discussed.

Conference Presentation

Citation Download Citation

B. Nash, N. Goldring, J. Edelen, C. Federer, P. Moeller, and Stephen Webb "Reduced model representation of x-ray transport suitable for beamline control", Proc. SPIE 11493, Advances in Computational Methods for X-Ray Optics V, 114930C (21 August 2020); https://doi.org/10.1117/12.2568187

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