Figure 1
Schematic outline of the proposed spatially resolving USAXS system with a Bonse–Hart configuration in the horizontal plane and a crystal monochromator followed by pinhole camera in the vertical plane. CH1 and CH2 are multiple-reflection grooved monochromator/analyser crystals while CH3 is a set of ultrathin wafers appropriately aligned to act as a `crystal beam stop'. CV1/CV2 is typically a double-crystal monochromator capable of narrow bandpass and harmonic rejection. The beam in the horizontal plane may be quite wide, e.g. 20 mm, because monochromatization is achieved via CV1 and CV2. |