Record Details

Title:
Effect of Heat Load on Cryo-Cooled Monochromators at the European X-Ray Free-Electron Laser: Simulations and First Experimental Observations
Affiliation(s):
EuXFEL staff
Author group:
Instrument MID
Vacuum
X-Ray Optics
Topic:
Scientific area:
Abstract:
European XFEL (EuXFEL) generates high-intensity ultra-short pulses at MHz repetition rate. At hard X-ray instruments, cryo-cooled silicon monochromators are used to reduce pulse bandwidth. Here, first experimental observations during commissioning of a cryo-cooled monochromator at Materials Imaging and Dynamics (MID) instrument are presented and compared with heat flow simulations. A thermal relaxation time is estimated and compared with arrival time interval between pulses. This provides the repetition rate tolerable for stable operation of monochromator.
Imprint:
JACoW Publishing, 2019
conference Information:
Proceedings of the 39th International Free-Electron Laser Conference, 502-505 (2019)
ISBN:
978-3-95450-210-3
Related external records:
Language(s):
English
Conference information:
39th International Free Electron Laser Conference, Hamburg, 2019-08-26, 2019-08-30, FEL2019
External websites:


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 Record created 2020-01-03, last modified 2020-01-08

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