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Figure 4
Compressor layout. A schematic layout of the two-crystal compressor. Crystal 1 has a focal length of f1 and crystal 2 has a demagnified focal length of f2 = mf1. Crystal 2 has the same orientation, uses the same reflection as crystal 1 and is located to diffract all the beam from crystal 1. This two-crystal geometry throws the diffracted beam parallel if the incident beam is parallel in the plane shown. The low- and high-energy rays are shown along with the two K-edge energy rays used for system energy calibration at the detector.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
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