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Figure 5
Flux curve measured using a constant photon bandwidth of 0.1%. The measurement is made on a photodiode in the APXPS branch, before the refocusing mirror (M4). The decrease around 280 eV is due to carbon contamination on the optics. Measurement was made with an Au grating using a cff value of 2.25 and with the opening of a beam-defining aperture before the monochromator set to 1 mm × 1 mm. The transmission of the M4 mirror will reduce the flux slightly from these data.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 28| Part 2| March 2021| Pages 588-601
https://doi.org/10.1107/S1600577521000564
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