Photon-shot-noise-limited transient absorption soft X-ray spectroscopy at the European XFEL

Le Guyader, L.; Eschenlohr, A.; Beye, M.; Schlotter, W.; Döring, F.; Carinan, C.; Hickin, D.; Agarwal, N.; Boeglin, C.; Bovensiepen, U.; Buck, J.; Carley, R.; Castoldi, A.; D'Elia, A.; Delitz, J.-T.; Ehsan, W.; Engel, R.; Erdinger, F.; Fangohr, H.; Fischer, P.; Fiorini, C.; Föhlisch, A.; Gelisio, L.; Gensch, M.; Gerasimova, N.; Gort, R.; Hansen, K.; Hauf, S.; Izquierdo, M.; Jal, E.; Kamil, E.; Kämmerer, L.; Karabekyan, S.; Kluyver, T.; Laarmann, T.; Lojewski, T.; Lomidze, D.; Maffessanti, S.; Mamyrbayev, T.; Marcelli, A.; Mercadier, L.; Mercurio, G.; Miedema, P.S.; Ollefs, K.; Rossnagel, K.; Rösner, B.; Rothenbach, N.; Samartsev, A.; Schlappa, J.; Setoodehnia, K.; Sorin Chiuzbaian, G.; Stamm, C.; Stellato, F.; Techert, S.; Teichmann, M.; Turcato, M.; Van Kuiken, B.; Wende, H.; Yaroslavtsev, A.; Zhu, J.; Molodtsov, S.; David, C.; Porro, M.; Scherz, A.

doi:10.1107/S1600577523000619

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Figure 7
SNR (inverse of the standard deviation) of the data binned as a function of the intensity in the 0th order for (a) the −1st/0th order, (b) the +1st/0th order and (c) the −1st/+1st order. Data that are only dark-corrected are shown as dotted blue lines. Data that are also flat-field corrected are shown as dot-dashed orange lines. Data that are also corrected for non-linearity are shown as continuous green lines. The photon shot-noise limit is shown as dashed red lines.

JOURNAL OF
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ISSN: 1600-5775

Volume 30| Part 2| March 2023| Pages 284-300

https://doi.org/10.1107/S1600577523000619

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