First X-ray spectral ptychography and resonant ptychographic computed tomography experiments at the SWING beamline from Synchrotron SOLEIL

Kulow, A.; Pérez, J.; Boudjehem, R.; Gautier, E.; Pairis, S.; Ould-Chikh, S.; Hazemann, J.-L.; da Silva, J.C.

doi:10.1107/S1600577524003229

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Figure 2
(a) Transmission electron microscope image of the as-prepared nickel reference sample. (b) Reconstructed phase. (c) Reconstructed amplitude. The intensity is the squared amplitude. The mean of the intensity in a region in the sample is normalized by the mean of the intensity of a region outside the sample to obtain the absorption. Bottom: the calculated δ (d) and β (e) spectra from the 2D spectral ptychography measurement. (f) Comparison of the normalized absorption spectrum with the normalized absorption spectrum of a classical transmission geometry XANES measurement of a nickel reference foil from the database SSHADE.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 31| Part 4| July 2024| Pages 867-876

https://doi.org/10.1107/S1600577524003229

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