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Figure 4
Microscope images of pi/Au diffraction gratings that were exposed using a high-power X-ray beam with approximately 0.6 × 1017 (top), 1.8 × 1017 (middle) and 3.6 × 1017 photons mm−2 (bottom) of effective energy E ≃ 10.3 keV. Left: optical microscope images. The 200 µm × 200 µm square is the grating, while the dark horizontal stripe is induced by the high-power X-ray beam. Right: high-magnification SEM images of selected regions of the gratings.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 17| Part 6| September 2010| Pages 786-790
doi:10.1107/S0909049510028487
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