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Figure 4
For the slit-less setup of the WDS, a schematic of the required adjustment Δy to the relative position of the WDS with the entrance slit is shown. When operating without the entrance slit, the sample volume illuminated by the monocapillary effectively becomes the optical source when placed on the Rowland circle. For the calculation of the required change in the relative position to the grating, the incidence angle, the distance between the grating and entrance slit, and the distance between the entrance slit and sample are needed.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 32| Part 1| January 2025|
https://doi.org/10.1107/S1600577524010683
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