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Figure 2
(a) Parabolic profiles for different values of R employed, truncated at apertures corresponding to nearly halfway depth into a 1 mm-thick plate. Optical microscope image in inset. (b) Transmission through diamond CRLs discussed here: long-focal-length test in Section 3[link] (solid line), collimation in Section 4[link] (dashed line), and focusing in Section 4[link] (dotted lines). On-axis transmission is slightly less than 1 due to the thin walls. Plotted are only one side of the axis due to symmetry. Vertical-line markers indicate 1/2 of the extent of the beam size illumination, as discussed in the main text.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 33| Part 5| September 2026|
https://doi.org/10.1107/S1600577526006995
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