Abstract

In this paper the design of a novel small-angle X-ray scattering crystal camera for high-resolution measurements is given. The instrument is based on a double-crystal diffractometer using two Laue crystals. Beams of narrow angular width in the collimator and the analyzer parts of the system are obtained by utilizing the “Super”-Borrmann effect. Theoretical calculations on multiple-beam diffraction were used to find an appropriate set of reflections. Feasibility studies on different multiple-beam Laue diffraction cases showed a collimation of 1.5 × 10 −5 rad at 8 keV X-ray energy, corresponding to a maximum dimension D max = 5 μm that could be studied in small-angle scattering.

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