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Proceedings Paper

Design of an adaptive cooled first crystal for an x-ray monochromator
Author(s): Dominique Dezoret; Remy Marmoret; Andreas K. Freund; R. Ravelet
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Paper 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.

Paper Details

Date Published: 11 November 1994
PDF: 6 pages
Proc. SPIE 2279, Advances in Multilayer and Grazing Incidence X-Ray/EUV/FUV Optics, (11 November 1994); doi: 10.1117/12.193164
Show Author Affiliations
Dominique Dezoret, Commissariat a l'Energie Atomique (France)
Remy Marmoret, Commissariat a l'Energie Atomique (France)
Andreas K. Freund, European Synchrotron Radiation Facility (France)
R. Ravelet, Laserdot/Groupe Aerospatiale (France)

Published in SPIE Proceedings Vol. 2279:
Advances in Multilayer and Grazing Incidence X-Ray/EUV/FUV Optics
Richard B. Hoover; Arthur B. C. Walker Jr., Editor(s)

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