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Finite‐element study of a toothed‐crystal monochromator
Author(s) -
Hrdý J.,
Plesˇek J.
Publication year - 1998
Publication title -
journal of synchrotron radiation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.172
H-Index - 99
ISSN - 1600-5775
DOI - 10.1107/s0909049597019092
Subject(s) - monochromator , synchrotron radiation , crystal (programming language) , optics , radiation , materials science , finite element method , physics , computer science , wavelength , thermodynamics , programming language
A toothed‐crystal monochromator, proposed in previous papers, is a modification of an inclined monochromator, which reduces the impinging radiation power density on the surface of a crystal for broad synchrotron radiation beams. The surface of the monochromator has a triangular toothed structure oriented in such a way that it represents an inclined monochromator. Finite‐element analysis of thermally induced deformation was performed for a particular shape of toothed crystal and for a flat crystal of the same average thickness. It was estimated that the toothed‐crystal monochromator may provide 70% higher radiation power than the flat‐crystal monochromator.

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