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Resolution of a bent‐crystal spectrometer for X‐ray free‐electron laser pulses: diamond versus silicon

Resolution of a bent‐crystal spectrometer for X‐ray free‐electron laser pulses: diamond versus... The resolution function of a spectrometer based on a strongly bent single crystal (bending radius of 10 cm or less) is evaluated. It is shown that the resolution is controlled by two parameters: (i) the ratio of the lattice spacing of the chosen reflection to the crystal thickness and (ii) a single parameter comprising crystal thickness, its bending radius, distance to a detector, and anisotropic elastic constants of the chosen crystal. The results allow the optimization of the parameters of bent‐crystal spectrometers for the hard X‐ray free‐electron laser sources. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Crystallographica Section A: Foundations and Advances Wiley

Resolution of a bent‐crystal spectrometer for X‐ray free‐electron laser pulses: diamond versus silicon

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References (29)

Publisher
Wiley
Copyright
Copyright © 2021 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0108-7673
eISSN
1600-5724
DOI
10.1107/s2053273321003697
Publisher site
See Article on Publisher Site

Abstract

The resolution function of a spectrometer based on a strongly bent single crystal (bending radius of 10 cm or less) is evaluated. It is shown that the resolution is controlled by two parameters: (i) the ratio of the lattice spacing of the chosen reflection to the crystal thickness and (ii) a single parameter comprising crystal thickness, its bending radius, distance to a detector, and anisotropic elastic constants of the chosen crystal. The results allow the optimization of the parameters of bent‐crystal spectrometers for the hard X‐ray free‐electron laser sources.

Journal

Acta Crystallographica Section A: Foundations and AdvancesWiley

Published: Jul 1, 2021

Keywords: ; ; ; ;

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