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Figure 7
Left: an aperture plate used in the IBF plant at Diamond Light Source, with 1 mm, 5 mm and 10 mm diameter circular apertures that may be used to selectively mask the ion source during figuring. Right: the removal profiles obtained from each aperture, derived from fitting to measured data with either a Gaussian or super-Gaussian function.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 31| Part 4| July 2024| Pages 655-669
https://doi.org/10.1107/S1600577524002935
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