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Figure 2
I04 estimated incident power P and measured crystal temperature T, during the 4 h measurements described in this paper. Power ramps are determined by ring current variations ranging from 50 mA to 300 mA, and variations of the white beam slits sizes, as summarized in Table 1[link]. The calibrated PT100 temperature sensor is placed in the centre of the non-cooled side and T is constantly monitored. Temperature follows power variations, with some lagging due to temporal crystal thermal response. Variations of Bragg angles also determined subtler changes in temperature. Measurements were paused and there was no beam intermittently in the first hour, and then again at 3 h. The crystal temperature was near 77 K, as expected during these pauses.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 32| Part 4| July 2025|
https://doi.org/10.1107/S160057752500342X
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