X-ray radiation filtration by means of Kumakhov lenses

Nariman S. Ibraimov; Svetlana V. Nikitina; Vladimir P. Petukhov; Ekaterina V. Likhushina; Oleg V. Michin

doi:10.1117/12.489747

30 July 2002 X-ray radiation filtration by means of Kumakhov lenses

Nariman S. Ibraimov, Svetlana V. Nikitina, Vladimir P. Petukhov, Ekaterina V. Likhushina, Oleg V. Michin

Proceedings Volume 4765, International Conference on X-ray and Neutron Capillary Optics; (2002) https://doi.org/10.1117/12.489747
Event: International Conference on X-ray and Neutron Capillary Optics, 2001, Zvenigorod, Russian Federation

Abstract

It is known that polycapillary half-lenses and lenses limit x-ray energy both in low and high eneryg area, i.e. they create an energy transmission range from 2 to 20 keV. This enables use of the lenses as filters wihtin a wide energy range. The effective transmisison range for each x-ray optical system was determined. To obtain a monochromatic beam within a narrow energy range, the spatial collimation of x-ray beam by means of Kumakhov's half-lens and deflection it from a flat monochromator was perforemd. The block scheme of x-ray monochromator is described. Using the second half-lens, it is possible to focus monochromatic CuK_α1 radiation. Such super-high monochromatization is reqruied for phase analysis of complex structures characterized by low symmetry.

Citation Download Citation

Nariman S. Ibraimov, Svetlana V. Nikitina, Vladimir P. Petukhov, Ekaterina V. Likhushina, and Oleg V. Michin "X-ray radiation filtration by means of Kumakhov lenses", Proc. SPIE 4765, International Conference on X-ray and Neutron Capillary Optics, (30 July 2002); https://doi.org/10.1117/12.489747

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