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Figure 2
Geometrical and energy-band matching of reflections in two bent Laue crystals. The geometrical condition for the `upper–upper' case (θ > 0 for both crystals) is shown in (a): the focal line F1 of the first crystal is the source for the second crystal. Matching of the energy bands is shown in (b): the Bragg angle changes between A2 and B2 by an amount that corresponds to the changes of energy and propagation direction between A1 and B1.

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SYNCHROTRON
RADIATION
ISSN: 1600-5775
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