Operation principles of direct conversion X-ray detectors. (a) A pulse-mode detector and (b) a current-mode detector. Reused from the article of Zhou et al. (ACS Energy Lett 2021;6:739−768) [3] with original copyright holder’s permission.

Progress in Medical Physics 2022;33:11~24 https://doi.org/10.14316/pmp.2022.33.2.11