Dark-field computed tomography reaches the human scale

M Viermetz, N Gustschin, C Schmid… - Proceedings of the …, 2022 - National Acad Sciences
X-ray computed tomography (CT) is one of the most commonly used three-dimensional
medical imaging modalities today. It has been refined over several decades, with the most …

Radiation methods in nanotechnology

GY Gerasimov - Journal of Engineering Physics and Thermophysics, 2011 - Springer
This paper considers the state of the art in the application of radiation technology for
obtaining and investigating new functional materials, devices, and systems of nanometer …

Quantitative imaging using high-energy X-ray phase-contrast CT with a 70 kVp polychromatic X-ray spectrum

A Sarapata, M Willner, M Walter, T Duttenhofer… - Optics express, 2015 - opg.optica.org
Imaging of large and dense objects with grating-based X-ray phase-contrast computed
tomography requires high X-ray photon energy and large fields of view. It has become …

Non-destructive testing of archaeological findings by grating-based X-ray phase-contrast and dark-field imaging

V Ludwig, M Seifert, T Niepold, G Pelzer, J Rieger… - Journal of …, 2018 - mdpi.com
The analysis of archaeological findings reveals the remaining secrets of human history.
However, it is a challenging task to investigate and simultaneously preserve the unique …

Development of grating-based super-resolution X-ray phase imaging

A Momose, Z Zhao, R Ueda, M Cai, H Takano… - AIP Conference …, 2023 - pubs.aip.org
The spatial resolution attained by grating-based X-ray phase imaging is limited by the period
of gratings to several microns. By compromising its wide field of view, it is possible to …

A preclinical Talbot–Lau prototype for x‐ray dark‐field imaging of human‐sized objects

C Hauke, P Bartl, M Leghissa, L Ritschl… - Medical …, 2018 - Wiley Online Library
Purpose Talbot–Lau x‐ray interferometry provides information about the scattering and
refractive properties of an object—in addition to the object's attenuation features. Until …

Fabrication of X-ray absorption gratings by centrifugal deposition of bimodal tungsten particles in high aspect ratio silicon templates

S Pinzek, A Gustschin, N Gustschin, M Viermetz… - Scientific Reports, 2022 - nature.com
Grating-based X-ray imaging employs high aspect ratio absorption gratings to generate
contrast induced by attenuating, phase-shifting, and small-angle scattering properties of the …

Recent progress in grating-based microscopic x-ray phase tomography

A Momose, R Ueda, M Cai, Z Zhao… - Developments in X …, 2022 - spiedigitallibrary.org
X-ray phase imaging with grating interferometers, such as the Talbot interferometer, is
widely performed even with a laboratory X-ray source. However, the achievable spatial …

Noise reduction for single-shot grating-based phase-contrast imaging at an X-ray backlighter

S Schreiner, B Akstaller, L Dietrich, P Meyer… - Journal of …, 2021 - mdpi.com
X-ray backlighters allow the capture of sharp images of fast dynamic processes due to
extremely short exposure times. Moiré imaging enables simultaneously measuring the …

Fabrication of x-ray absorption gratings via deep x-ray lithography using a conventional x-ray tube

S Pinzek, T Beckenbach, M Viermetz… - Journal of Micro …, 2021 - spiedigitallibrary.org
Background: X-ray grating interferometry is an emerging imaging technique that strongly
relies on fine grating structures. A common method to fabricate compatible gratings is deep x …