Design and commissioning of the first superconducting undulator for the BioSAXS beamline at the Australian Synchrotron

Tan, Y.-R.E.; Porsa, S.; Zhu, D.; Kamma-Lorger, C.; Clulow, A.J.; Casalbuoni, S.; Grau, A.; Glamann, N.; Hobl, A.; Krichler, M.

doi:10.1107/S1600577525003418

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Figure 8
Current stability measured with an independent DCCT over 160 h time period at 1.07 T (845.29 A). Two ramps spaced 5 h apart show the power supply returning to the same current with slightly shorter warm up time. PSU warm up of 30 to 60 min (inset). After warm up the r.m.s. and peak-to-peak current stability were 19 p.p.m. and 170 p.p.m., respectively. The monotonic drift of 80 p.p.m. is likely due to the temperature dependence of the power supply rated at 60 p.p.m. °C⁻¹ and local rack temperatures are stable to ±1°C.

JOURNAL OF
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RADIATION

ISSN: 1600-5775

Volume 32| Part 4| July 2025| Pages 908-918

https://doi.org/10.1107/S1600577525003418

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