Development of a multi-functional chamber for resonant X-ray scattering experiments in the tender X-ray regime at the PAL-XFEL

Park, S.H.; Kim, S.; Park, J.; Yun, S.; Jeong, J.; Park, J.-G.; Kim, K.S.; Choi, T.-K.; Eom, I.; Jang, D.; Kim, M.; Lee, J.H.; Park, S.-Y.; Kim, H.; Chun, S.H.

doi:10.1107/S1600577525002899

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Figure 4
(a) 2D image of the (111) Bragg reflection (purple pixels) diffracted by a Bi thin film, with the region of interest (ROI) outlined by a dashed square. The white arrow indicates the increasing 2θ direction. (b) Histogram of the ADC units derived from the 2D image shown in (a). Each ADC unit corresponds to the conversion of 1 keV. (c) Correlation analysis showing the linear relationship between I₀ (QBPM signal) and the ROI sum (2D detector). Orange and blue circles represent raw data with and without laser pumping, respectively, while solid lines show the corresponding linear fits. (d) Transient intensity changes of the (111) Bragg reflection, confirming the time-zero point. The error bar is derived from the standard deviation from the linear fits in the correlation analysis.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 32| Part 3| May 2025| Pages 539-547

https://doi.org/10.1107/S1600577525002899

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