Figure 3
Images of the bottom half of the polypropylene tube. (a) Conventional synchrotron radiography; (b–d) ABIs at different angular positions on the rocking curve (positions 3, 2 and 5 in Fig. 2, respectively); (e and f) apparent absorption contrast and refraction angle images obtained using the DEI mathematical processing. Details indicated with arrows are (i) the tube wall, (ii) inside the tube and (iii) outside the tube. |