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3 September 2008 Present status of stability improvement of SPring-8 standard x-ray monochromators
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Abstract
For the stabilization of the SPring-8 double-crystal monochromator with water-cooled inclined-cut silicon crystals, we have changed the water path of the first crystal, remodeled the crystal holders and attached x-ray and electron shield parts. The improvements are effective to supply constant-intensity microbeam, to extend the life time of the elastomer O-rings for water seal, and to decrease the radiation damages of the electric cables of the motors. The 1 Å microbeam with the size of 50 μm × 50 μm at an experimental station keeps constant intensity, though the intensity decreased by 26 % per hour before the improvements. The vibration of the mechanical stages is discussed as the remaining problem.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Hiroshi Yamazaki, Yasuhiro Shimizu, Nobutaka Shimizu, Masahide Kawamoto, Yoshiaki Kawano, Yasunori Senba, Haruhiko Ohashi, and Shunji Goto "Present status of stability improvement of SPring-8 standard x-ray monochromators", Proc. SPIE 7077, Advances in X-Ray/EUV Optics and Components III, 707719 (3 September 2008); https://doi.org/10.1117/12.796685
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