Theoretical study of the properties of X-ray diffraction moiré fringes. II. Illustration of angularly integrated moiré images

Yoshimura, J.

doi:10.1107/S2053273319004601

Acta Crystallographica Section A
Acta Crystallographica
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Figure 12
Plots of the mean fringe contrast of computed moiré images versus the incident-wave angular width $[\Delta {\Theta _{\rm inc}}]$ . Numerical conditions for the computation are as follows: curve (A) t₁ = t₂ = 0.8, t_gap = 0.0, s₂ = 0; (B) t₁ = t₂ = 0.8, t_gap = 0.0; (C) t₁ = t₂ = 0.8, t_gap = 0.02; (D) t₁ = t₂ = 0.8, t_gap = 0.05; (E) t₁ = t₂ = 0.8, t_gap = 0.2; (F) t₁ = t₂ = 0.8, t_gap = 0.24; (G) t₁ = t₂ = 1.5, t_gap = 0.24; (H) t₁ = t₂ = 2.5, t_gap = 0.24; (I) t₁ = t₂ = 1.5, t_gap = 0.0; (J) t₁ = t₂ = 2.5, t_gap = 0.0. The curvature strength of the rear crystal was s₂ = 0.045′′ mm⁻¹ for all the curves from (B) to (J).

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ISSN: 2053-2733

Volume 75| Part 4| July 2019| Pages 610-623

https://doi.org/10.1107/S2053273319004601

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