Design of an adaptive cooled first crystal for an x-ray monochromator

Dominique Dezoret; Remy Marmoret; Andreas K. Freund; R. Ravelet

doi:10.1117/12.193164

11 November 1994 Design of an adaptive cooled first crystal for an x-ray monochromator

Dominique Dezoret, Remy Marmoret, Andreas K. Freund, R. Ravelet

Proceedings Volume 2279, Advances in Multilayer and Grazing Incidence X-Ray/EUV/FUV Optics; (1994) https://doi.org/10.1117/12.193164
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

We report here on the design of the first crystal in an x-ray monochromator for ESRF beamlines. This crystal is a thin silicon foil bonded to a cooled beryllium support. A system of piezoelectric actuators is used to correct for the thermal deformations produced by synchrotron X-ray beams. The first step of this study is a thermomechanical simulation. It has showed that the slope errors of the crystal surface along the X-ray direction are less than 5 (mu) rad. The second step is a feasibility study of the silicon/beryllium bonding. After tests, we have chosen molecular adhesion method between the silicon crystal foil and the beryllium support.

Citation Download Citation

Dominique Dezoret, Remy Marmoret, Andreas K. Freund, and R. Ravelet "Design of an adaptive cooled first crystal for an x-ray monochromator", Proc. SPIE 2279, Advances in Multilayer and Grazing Incidence X-Ray/EUV/FUV Optics, (11 November 1994); https://doi.org/10.1117/12.193164

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