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Proceedings Paper

X-Ray Rocking Curve Measurements Of Bent Crystals
Author(s): M. B. Hakim; W. S. Muney; W. B. Fowler; B. E. Woodgate
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Paper 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.

Paper Details

Date Published: 21 December 1988
PDF: 7 pages
Proc. SPIE 0982, X-Ray Instrumentation in Astronomy II, (21 December 1988); doi: 10.1117/12.948737
Show Author Affiliations
M. B. Hakim, ST Systems Corporation (United States)
W. S. Muney, GSFC (United States)
W. B. Fowler, GSFC (United States)
B. E. Woodgate, GSFC (United States)

Published in SPIE Proceedings Vol. 0982:
X-Ray Instrumentation in Astronomy II
Leon Golub, Editor(s)

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