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Figure 3
Measured flux transmitted into the diffraction-limited phase space through a 100 nm-thick Si3N4 window after the exit slit aperture. The flux is measured with entrance and exit slits changing as 1/E (60 × 20 × 20 µm at 300 eV). This keeps the spectral resolution approximately constant at about R = 2000 and keeps the exit slit aperture size matched to the diffraction limit of the fixed zone-plate lens.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
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