Abstract
Monochromatic X-ray sources can be used for several applications, like in medicine or in studying our cultural heritage. We are investigating imaging systems based on a tuneable energy band X-ray source, to obtain an element mapping of painting layers using the K-edge technique.
The narrow energy band beams are obtained with conventional X-ray source via Bragg diffraction on a mosaic crystal; such an analysis has been performed at different diffraction angles, tuning the energy to investigate spectra of interest from the artistic point of view, like zinc and copper. In this paper the characteristics of the system in terms of fluence rate are reported, and first results of this technique on canvas samples and painting are presented.
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Albertin, F., Franconieri, A., Gambaccini, M. et al. A quasi-monochromatic X-rays source for art painting pigments investigation. Appl. Phys. A 96, 503–510 (2009). https://doi.org/10.1007/s00339-009-5222-2
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DOI: https://doi.org/10.1007/s00339-009-5222-2