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Figure 2
Comparison of rocking curves obtained using regular channel-cut crystals and mechanically fabricated devices, each consisting of two parallel polished and etched crystals. The parasitic scattering background in the wings of the rocking curve was suppressed by more than one order of magnitude using the latter set-up. The continuous line indicates the rocking curve calculated by the dynamical theory of diffraction. The curves are plotted relative to the Bragg angle, [\theta_{\rm B}], of Si-220.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 40| Part s1| December 2007| Pages s459-s462
doi:10.1107/S0021889806045833
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