Geodesic
Capillary optics for local X-ray fluorescence analysis of the elemental composition of substances
News of the Kabardin-Balkar scientific center of RAS, no. 2 (2005), pp. 38-47.

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This work demonstrates methods for characterizing polycapillary lenses. In the high energy region there is a difference in results and measurements obtained by different methods. Therefore, a combination of different methods is required to fully characterize the optics. The polycapillary lens used in this work is free of the “halo-effect” and, as a result, is suitable for micro-XRF of heavy elements. It has been demonstrated that measuring the two-dimensional distribution of elements is possible in a reasonable time.
Keywords: polycapillary lens, optics, polycapillary lenses, two-dimensional distribution of elements 
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A. A. Bzheumikhov; Z. V. Bzheumikhova; N. Langhoff; R. Wedell. Capillary optics for local X-ray fluorescence analysis of the elemental composition of substances. News of the Kabardin-Balkar scientific center of RAS, no. 2 (2005), pp. 38-47. http://geodesic.mathdoc.fr/item/IZKAB_2005_2_a5/

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