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Figure 4
The double-diffracted beam intensity distribution on the focal plane in the RDL with a beryllium lens. Shown are the cases corresponding to [\Delta\lambda/\lambda_{\rm{m}}] = 0 (a), [\Delta\lambda/\lambda_{\rm{m}}] = 1.5 × 10-4 (b), [\Delta\lambda/\lambda_{\rm{m}}] = −1.9 × 10-4 (c). The beam falls at the Bragg-corrected angle corresponding to the wave with [\Delta\lambda/\lambda_{\rm{m}}] = 0. Absorption in the lens is neglected. Incident plane wave.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 17| Part 3| March 2010| Pages 332-347
doi:10.1107/S0909049510003754
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