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Proceedings Paper

Source-optic-crystal optimization for compact monochromatic imaging
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Paper Abstract

A compact monochromatic imaging system was designed with an optimal combination of a low power molybdenum source, collimating optic and monochromatizing crystal. The microfocus source was characterized for spot size, source depth, source intensity and source uniformity. Two different polycapillary collimating optics were characterized for collecting radiation from the low power divergent source and redirecting it into a parallel beam. The focal distance, transmission with respect to energy, output uniformity and exit angle divergence were measured. Monochromatization was then achieved by diffraction from a variety of single crystals. For each crystal, the rocking curve width was measured. To predict the actual resolution for the monochromatic imaging, a theoretical 3-dimension resolution calculation was developed. The measured angular resolutions for the horizontal and vertical directions were slightly different and were in good agreement with theoretical values. The measured and theoretical intensity after monochromator crystals showed the expected trade-off between high intensity and high resolution.

Paper Details

Date Published: 3 November 2004
PDF: 10 pages
Proc. SPIE 5537, X-Ray Sources and Optics, (3 November 2004); doi: 10.1117/12.562649
Show Author Affiliations
Danhong Li, Univ. at Albany/SUNY (United States)
Francisca R. Sugiro, Eastman Kokak Co. (United States)
Carolyn A. MacDonald, Univ. at Albany/SUNY (United States)


Published in SPIE Proceedings Vol. 5537:
X-Ray Sources and Optics
Carolyn A. MacDonald; Albert T. Macrander; Tetsuya Ishikawa; Christian Morawe; James L. Wood, Editor(s)

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