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Proceedings Paper

Dynamical diffraction approach of deformed crystals using finite element method
Author(s): V. Mocella; C. Ferrero; J.-P. Guigay
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Paper Abstract

We present a new approach to the numerical solution of Takagi equations, based on the Finite Element Method (FEM) that starting from a weak formulation of differential equations is much more versatile than the usual Finite Difference method (FDM). In particular, this is the only available approach that can easily handle with calculation where the free space propagation is required, as in the case of focusing by curved crystals, but also some crystals cut with special geometries that are useful for neutron monochromators.

Paper Details

Date Published: 12 May 2015
PDF: 6 pages
Proc. SPIE 9510, EUV and X-ray Optics: Synergy between Laboratory and Space IV, 95100H (12 May 2015); doi: 10.1117/12.2179290
Show Author Affiliations
V. Mocella, Istituto per la Microelettronica e Microsistemi, CNR (Italy)
C. Ferrero, ESRF - The European Synchrotron (France)
J.-P. Guigay, ESRF - The European Synchrotron (France)


Published in SPIE Proceedings Vol. 9510:
EUV and X-ray Optics: Synergy between Laboratory and Space IV
René Hudec; Ladislav Pina, Editor(s)

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