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Accurate miscut angle determination for spherically bent Bragg crystals
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View: Figures


Image of FIG. 1.
FIG. 1.

Cross section of the crystal mounting on a concave glass lens of curvature, diameter, and thickness. The thickness of the crystal slabs is about (curvature and crystal thickness not to scale).

Image of FIG. 2.
FIG. 2.

Bragg reflection and focusing condition without and with miscut for a bent crystal setup in the symmetry plane. The left drawing corresponds to the symmetric Bragg case, the right one to the asymmetric one for a miscut orientation (adapted from Ref. 6).

Image of FIG. 3.
FIG. 3.

Schematic of the method used for positioning the critical point (Fig. 1) onto the holder rotation axis.

Image of FIG. 4.
FIG. 4.

Variation of the reflection angle for second order Bragg diffraction of the x-rays for a quartz crystal [corresponding to (Ref. 8)] and a Si (110) crystal [ (Ref. 8)]. The experimental errors for are smaller than the dots depicting the data points. The solid line is a fit according to Eq. (4).


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Accurate miscut angle determination for spherically bent Bragg crystals