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Figure 2
(a) Description of the contoured crystal. L, t and w are the crystal length, thickness and width, respectively. Lm is the distance between the points where the moments are applied with the four-point bender. The typical values of these parameters in our experiment are L = 300 mm, t = 1 mm, w(x) ≃ 21.5 mm and Lm = 260 mm. (b) Profile of the crystal as described by equation (6)[link] with the optimization energy chosen at 7 keV and a q value of 0.8 m. The width contour is not symmetric as expected in order to be able to produce an elliptical bending.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 5| Part 5| September 1998| Pages 1250-1257
https://doi.org/10.1107/S0909049598004002
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