The technical development of photon-counting detector CT

CH McCollough, K Rajendran, S Leng, L Yu… - European …, 2023 - Springer
Since 1971 and Hounsfield's first CT system, clinical CT systems have used scintillating
energy-integrating detectors (EIDs) that use a two-step detection process. First, the X-ray …

Quantitative X-ray phase contrast computed tomography with grating interferometry: Biomedical applications of quantitative X-ray grating-based phase contrast …

L Birnbacher, EM Braig, D Pfeiffer, F Pfeiffer… - European Journal of …, 2021 - Springer
The ability of biomedical imaging data to be of quantitative nature is getting increasingly
important with the ongoing developments in data science. In contrast to conventional …

Perovskite CsPbBr3 Single‐Crystal Detector Operating at 1010 Photons s−1 mm−2 for Ultra‐High Flux X‐ray Detection

L Pan, IR Pandey, A Miceli, VV Klepov… - Advanced Optical …, 2023 - Wiley Online Library
Semiconductors for detecting hard radiation are confronted with considerable problems
when operating at high photon fluxes. A perovskite CsPbBr3 single‐crystal detector capable …

Perovskite CsPbBr3 Single Crystal Detector for High Flux X-Ray Photon Counting

L Pan, Y He, VV Klepov, C Michael… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
X-ray photon-counting detectors capable of resolving the energies of single X-ray photons
are critical in medical imaging, and a high count rate is essential for photon-counting …

Dose-efficient in vivo X-ray phase contrast imaging at micrometer resolution by Bragg magnifiers

R Spiecker, P Pfeiffer, A Biswal, M Shcherbinin… - Optica, 2023 - opg.optica.org
X-ray imaging enables the study of morphodynamic and physiological processes in living
organisms. However, the required photon flux increases with the desired spatial resolution …

Evaluation of a Large Area, 83 m Pixel Pitch Amorphous Selenium Indirect Flat Panel Detector

K Hellier, I Mollov, A Swaby, P Pryor… - IEEE transactions on …, 2023 - ieeexplore.ieee.org
Dual-layer detectors provide a low-cost solution to improved material decomposition and
lesion differentiation in X-ray imaging, while eliminating motion artifacts from multiple …

Grating-based phase-contrast computed tomography for breast tissue at an inverse compton source

D Berthe, L Heck, S Resch, M Dierolf, J Brantl… - Scientific Reports, 2024 - nature.com
The introduction of mammography screening programs has significantly reduced breast
cancer mortality rates. Nevertheless, some lesions remain undetected, especially in dense …

Laboratory x-ray nano-computed tomography for biomedical research

T Dreier, R Krüger, G Bernström… - Journal of …, 2024 - iopscience.iop.org
High-resolution x-ray tomography is a common technique for biomedical research using
synchrotron sources. With advancements in laboratory x-ray sources, an increasing number …

Micro-CT imaging of multiple K-edge elements using GaAs and CdTe photon counting detectors

AJ Allphin, DP Clark, T Thuering… - Physics in Medicine …, 2023 - iopscience.iop.org
Objective. To evaluate the performance of two photon-counting (PC) detectors based on
different detector materials, gallium arsenide (GaAs) and cadmium telluride (CdTe), for PC …

Investigation of radiation effect on structural and optical properties of GaAs under high-energy electron irradiation

A Phakkhawan, A Sakulkalavek, S Buranurak… - Materials, 2022 - mdpi.com
A systematic investigation of the changes in structural and optical properties of a semi-
insulating GaAs (001) wafer under high-energy electron irradiation is presented in this study …