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Figure 18
Monochromatic high-resolution X-ray topography at BM05 ESRF beamline for the In-Parallel geometry germanium recombiners. The analysis was conducted via Bragg diffraction on the recombiners' (440) lattice planes. The images represent an area of the crystal surface 1.3 mm wide horizontally and 5 mm long vertically due to the elongated footprint in the direction of diffraction. The photon energy is 20 keV, the field of view 1.3 mm × 1.3 mm and the pixel size 0.65 µm. (a) Integrated intensity map of the surface, i.e. map of the intensity diffracted by each point on the surface for a specific Bragg angle of the recombiner. (b) FWHM map of the surface, i.e. map of the diffraction passband for each point on the surface. (c) COM map, i.e. map of the relative position of the center of the rocking curve of each point on the surface.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 31| Part 6| November 2024| Pages 1534-1550
https://doi.org/10.1107/S1600577524008488
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