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12 November 1993 Recent results of high heat load crystal optics experiments at ESRF
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Abstract
Results of experience with single crystal monochromators gathered at the ESRF during the past year using the first undulator and wiggler beams are presented. It was found that: Cryogenic cooling of Si is a reliable technique and fully adequate for present and very likely also for future ESRF undulator beams. Diamond crystals can be routinely used as well, both in reflection and in transmission geometry, whenever very high resolution is not required. Side- cooling is presently sufficient. Side-cooled thin Si crystals appear to be suitable for power densities of a few W/mm2 and 16 W total power and must be supported for extracting the heat at higher loads. Cooling by small fins gave good preliminary results on a wiggler beam with reduced power but further confirmation is needed for higher power and mounting strain should be still decreased. Combining several techniques may be necessary in the future, e.g., cryogenic cooling of thin crystals.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Andreas K. Freund "Recent results of high heat load crystal optics experiments at ESRF", Proc. SPIE 1997, High Heat Flux Engineering II, (12 November 1993); https://doi.org/10.1117/12.163801
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