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Figure 1
Three schematic views of the ray paths of the diaboloidal mirror illuminated from a point source (from the left) or from a one-dimensionally collimated source (from the right). (a) The side (vertical cross-section) view shows the parabolic cross-section, allowing a point source to be vertically collimated along the y-axis. (b) The top view shows sagittal focusing of diverging light. (c) A perspective view showing the point and sagittal line foci at conjugate positions. A mirror aperture-based (canonical) coordinate system (x, y, z) is depicted.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 28| Part 4| July 2021| Pages 1031-1040
https://doi.org/10.1107/S1600577521004860
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