X-Ray Rocking Curve Measurements Of Bent Crystals

M. B. Hakim; W. S. Muney; W. B. Fowler; B. E. Woodgate

doi:10.1117/12.948737

21 December 1988 X-Ray Rocking Curve Measurements Of Bent Crystals

M. B. Hakim, W. S. Muney, W. B. Fowler, B. E. Woodgate

Proceedings Volume 0982, X-Ray Instrumentation in Astronomy II; (1988) https://doi.org/10.1117/12.948737
Event: 32nd Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1988, San Diego, CA, United States

Abstract

A three-crystal laboratory X-ray spectrometer is used to measure the Bragg reflection from concave cylindrically curved crystals to be used in the High Resolution X-ray Spectrometer in NASA's Advanced X-ray Astrophysics Facility (AXAF). The first two crystals, in the dispersive (1,1) arrangement, select a narrow collimated monochromatic beam in the Cu Ka 1 line at 1.54A (8.1 keV), which illuminates the test crystal. The angular centroids of rocking curves measured along the surface provide a measure of the conformity of the crystal to the desired radius of curvature. Individual and combined rocking curve widths and areas provide a measure of the resolution and efficiency at 1.54A. The crystals analyzed included LW (200), PET, and acid phthalates such as TAP.

Citation Download Citation

M. B. Hakim, W. S. Muney, W. B. Fowler, and B. E. Woodgate "X-Ray Rocking Curve Measurements Of Bent Crystals", Proc. SPIE 0982, X-Ray Instrumentation in Astronomy II, (21 December 1988); https://doi.org/10.1117/12.948737

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