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Figure 3
IR extraction mirror heat load. (a) A vertical-mounted flat mirror (M1) is illuminated by near 140 W of synchrotron radiation from the B2 bending magnetic. The Au-coated mirror surface reflects low-energy radiation (UV–VIS–IR) and transmits the high-energy portion (mostly X-rays) that is mainly absorbed by the Glidcop substrate. (b) Cross section of the M1 shaft highlighting the water-cooling flow path. (c) Numerical simulation of the thermal load, X-deformation and stress around the illuminated area of the mirror (left to right). (d–g) Optical simulation of the secondary source produced by the M1 flat mirror with a Si substrate at −150 °C (control case) and the Glidcop substrate (actual case with thermal bump) with the heat load and water-cooling system for λ = 15 µm (scale bars 1 mm) and λ = 1.24 µm (scale bars 100 µm).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 31| Part 3| May 2024| Pages 547-556
https://doi.org/10.1107/S1600577524002364
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