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Figure 3
View of loop and sample in the direction of the X-ray beam. The white box indicates the position and size of the beam. (a) The initial 3 × 3 diffraction grid search spanning the edge of the loop. The sample is translated sequentially for each diffraction image. (b) An initial 1 × 3 grid on the face of the loop, 90° from the edge view. (c) A smaller 1 × 3 grid in the vertical direction, centering in on the crystal. Note that the horizontal width of the beam in (b) and (c), which is derived from the previous grid search of the loop edge, is smaller than the crystal length and is not centered on the crystal in this case owing to significantly lower quality and disproportionate diffraction from the ends of the crystal.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 14| Part 2| February 2007| Pages 191-195
doi:10.1107/S0909049507004803
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