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![[Figure 2]](mo5212fig2mag.jpg)
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Figure 2
(a) Schematic of the X-ray tube-based setup. (b) Measured tungsten X-ray tube spectrum without filtering (blue, dashed) and after differential filtering with a 12 µm Cu and a 12.85 µm Ni filter (black). The main emission lines of tungsten are indicated; after filtering, only the Lα1,2 line with an approximate X-ray energy of 8.4 keV remains. The separate sublines cannot be resolved by the spectrometer. (c) Measured tungsten X-ray tube spectrum when filtered with a 12 µm Cu filter (orange) and a 12.85 µm Ni filter (green). Subtracting the two spectra yields the final spectrum in (b). The insets show a closer view of the region of interest for the filtering, where it is apparent that the filter thicknesses have been matched so that the curves overlap for energies outside the Lα1,2 line. |
![[Figure 2]](mo5212fig2.jpg)
 | JOURNAL OF SYNCHROTRON RADIATION |
ISSN: 1600-5775
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