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8 October 2007 Directly water-cooled crystal development for SPring-8 bending magnet beamlines
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Abstract
The directly water-cooled first crystal of the SPring-8 standard monochromator for bending magnet beamlines has been developed. Thanks to the bonding technique, the performance of the new crystal has been improved without decreasing the cooling efficiency. The finite element analyses show the deformation of the crystal by the hydraulic pressure and by the crystal clamping is negligible small, which were dominated for the previous crystal. Both Si(111) and Si(311) crystal were evaluated in SPring-8 beamlines, the deformation induced while the bonding process is comparable to the thermal deformation. and long-term endurance test shows the lifetime of the O-ring becomes long because they are not on the direct path of the SR beam. Although the overall performance is insufficient, much improvement was shown.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Kunikazu Takeshita, Shunji Goto, and Tetsuya Ishikawa "Directly water-cooled crystal development for SPring-8 bending magnet beamlines", Proc. SPIE 6705, Advances in X-Ray/EUV Optics and Components II, 67050Q (8 October 2007); https://doi.org/10.1117/12.735314
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