The detailed study of the performance of full scale x-ray optics often requires the illumination of large areas. This paper describes a beam expander facility at the Daresbury Synchrotron Radiation Facility. It combines monochromatization and beam expansion in one dimension. The beam expansion is obtained from an extremely asymmetric reflection in a large single crystal of Si. An expansion of a factor of 50 was obtained in one dimension. The expanded beam of ~85 mm is limited only by the crystal size. The facility is installed in a 12-m-long hutch. A specific application, in which a high throughput x-ray telescope will be studied, is described in detail. Review of Scientific Instruments is copyrighted by The American Institute of Physics.
Bibliographical noteCopyright (1992) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics
Christensen, F. E., Hornstrup, A., Frederiksen, P., Nilsson, C., Grundsøe, P., Ørup, P., Jacobsen, E., Schnopper, H. W., Lewis, R., & Hall, C. (1992). A beam expander facility for studying x-ray optics. Review of Scientific Instruments, 63(1), 1168-1171. https://doi.org/10.1063/1.1143124