30 December 2003 Electron-impact-based generation and applications of monochromatic x-rays
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Abstract
A summary is given of methods to manipulate the polychromatic radiation emitted from electron impact x-ray sources so as to generate a (quasi-)monochromatic beam. These methods include: differential attenuation of bremsstrahlung, differential reflection of x-rays from monochromating crystals, production of fluorescence x-rays from secondary targets and geometrical enhancement of characteristic radiation. Typical values for some of the parameters which characterize (quasi-)monochromatic sources i.e. monochromaticity, energy bandwidth and source radiance are presented. A brief description is given of some radiological techniques which either necessitate or benefit from monochromatic radiation. With the help of a figure of merit for monochromatic x-ray sources, the suitability of the candidates mentioned above for these techniques is assessed.
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Geoffrey L. Harding, Bernd Schweizer, Gerhard Martens, Jens-Peter Schlomka, Axel Thran, "Electron-impact-based generation and applications of monochromatic x-rays", Proc. SPIE 5199, Penetrating Radiation Systems and Applications V, (30 December 2003); doi: 10.1117/12.512440; https://doi.org/10.1117/12.512440
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KEYWORDS
X-rays

Optical filters

X-ray sources

Crystals

Electron beams

X-ray fluorescence spectroscopy

Copper

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