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Figure 3
Spherical (left column) versus Johansson analyzer (right column). Summary of the geometry projected on the Bragg diffraction plane, YZ [(a), not to scale]. Effective scattering area plots (b) for Si(111) reflection with a bending radius of 1 m. The region of the crystal that reflects the 0.5 eV bandwidth at three Bragg angles, namely 75°, 55° and 35°, is shown with a colour scale representing the deviation from the Bragg angle at the centre of the crystal (Δθ).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 27| Part 3| May 2020| Pages 813-826
https://doi.org/10.1107/S160057752000243X
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