X-ray forward diffraction wave-front propagation in Si and C single crystals:  simulations and experiments

A. Rodriguez-Fernandez; G. Carbone; Z. Matej; D. Grolimund; D. F. Sanchez; B. Pedrini

doi:10.1117/12.2568495

21 August 2020 X-ray forward diffraction wave-front propagation in Si and C single crystals: simulations and experiments

A. Rodriguez-Fernandez, G. Carbone, Z. Matej, D. Grolimund, D. F. Sanchez, B. Pedrini

Author Affiliations +

Proceedings Volume 11493, Advances in Computational Methods for X-Ray Optics V; 114930W (2020) https://doi.org/10.1117/12.2568495
Event: SPIE Optical Engineering + Applications, 2020, Online Only

Abstract

The emergence of new high brilliance and high coherence facilities such as X-ray Free Electron Lasers (XFELs) and 4^th generation synchrotrons open a new era in X-ray optics. Dynamical diffraction effects before disregarded are starting to play a role in the beam control of large scale facilities. In the case of XFEL facilities the temporal characteristics of the dynamical diffraction by thin perfect crystals can be used as a tool to generate femtosecond monochromatic pulses, in the case of self-seeding in the hard X-ray regime, but could even be used as method to characterize materials in this temporal range. In this contribution we present the first steps in the understanding of the spatial-displacement dependence of forward beams diffracted by thin crystals. The data collected by this technique is compared with crystal models based in dynamical diffraction theory. This type of study could open a new field to understand low strain materials in the femtosecond regime.

Conference Presentation

Citation Download Citation

A. Rodriguez-Fernandez, G. Carbone, Z. Matej, D. Grolimund, D. F. Sanchez, and B. Pedrini "X-ray forward diffraction wave-front propagation in Si and C single crystals: simulations and experiments", Proc. SPIE 11493, Advances in Computational Methods for X-Ray Optics V, 114930W (21 August 2020); https://doi.org/10.1117/12.2568495

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