X-ray phase contrast imaging (XPCI) is more sensitive to density variations than X-ray absorption radiography, which is a crucial advantage when imaging weakly-absorbing, low-Z materials, or steep density gradients in matter under extreme conditions. Here, we describe the application of a polychromatic X-ray laser-plasma source (duration ~0.5 ps, photon energy >1 keV) to the study of a laser-driven shock travelling in plastic material. The XPCI technique allows for a clear identification of the shock front as well as of small-scale features present during the interaction. Quantitative analysis of the compressed object is achieved using a density map reconstructed from the experimental data.

Quantitative phase contrast imaging of a shock-wave with a laser-plasma based X-ray source / Barbato, F; Atzeni, S; Batani, D; Bleiner, D; Boutoux, G; Brabetz, C; Bradford, P; Mancelli, D; Neumayer, P; Schiavi, A; Trela, J; Volpe, L; Zeraouli, G; Woolsey, N; Antonelli, L. - In: SCIENTIFIC REPORTS. - ISSN 2045-2322. - 9:(2019). [10.1038/s41598-019-55074-1]

Quantitative phase contrast imaging of a shock-wave with a laser-plasma based X-ray source

Barbato, F;Atzeni, S;Schiavi, A;Antonelli, L
2019

Abstract

X-ray phase contrast imaging (XPCI) is more sensitive to density variations than X-ray absorption radiography, which is a crucial advantage when imaging weakly-absorbing, low-Z materials, or steep density gradients in matter under extreme conditions. Here, we describe the application of a polychromatic X-ray laser-plasma source (duration ~0.5 ps, photon energy >1 keV) to the study of a laser-driven shock travelling in plastic material. The XPCI technique allows for a clear identification of the shock front as well as of small-scale features present during the interaction. Quantitative analysis of the compressed object is achieved using a density map reconstructed from the experimental data.
X-ray phase contrast imaging, laser-plasma generated X-rays, laser-driven shock waves
01 Pubblicazione su rivista::01a Articolo in rivista
Quantitative phase contrast imaging of a shock-wave with a laser-plasma based X-ray source / Barbato, F; Atzeni, S; Batani, D; Bleiner, D; Boutoux, G; Brabetz, C; Bradford, P; Mancelli, D; Neumayer, P; Schiavi, A; Trela, J; Volpe, L; Zeraouli, G; Woolsey, N; Antonelli, L. - In: SCIENTIFIC REPORTS. - ISSN 2045-2322. - 9:(2019). [10.1038/s41598-019-55074-1]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1337622
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