Advanced phase-retrieval for stepping-free X-ray dark-field computed tomography

J Haeusele, C Schmid, M Viermetz… - … on Medical Imaging, 2023 - ieeexplore.ieee.org
Grating-based phase-and dark-field-contrast X-ray imaging is a novel technology that aims
to extend conventional attenuation-based X-ray imaging by unlocking two additional …

Robust Sample Information Retrieval in Dark-Field Computed Tomography with a Vibrating Talbot-Lau Interferometer

J Haeusele, C Schmid, M Viermetz… - … on Medical Imaging, 2024 - ieeexplore.ieee.org
X-ray computed tomography (CT) is a crucial tool for non-invasive medical diagnosis that
uses differences in materials' attenuation coefficients to generate contrast and provide 3D …

X-ray phase and dark-field computed tomography without optical elements

TA Leatham, DM Paganin, KS Morgan - Optics Express, 2024 - opg.optica.org
X-ray diffusive dark-field imaging, which allows spatially unresolved microstructure to be
mapped across a sample, is an increasingly popular tool in an array of settings. Here, we …

[HTML][HTML] Design of a Talbot phase-contrast microscopy imaging system with a digital detector for laser-driven X-ray backlighter sources

S Schreiner, C Rauch, B Akstaller… - Journal of …, 2024 - iopscience.iop.org
Laser-driven shock waves in matter propagate with multiple kilometers per second and
therefore require sources like a laser-driven backlighter, which emit the X-rays within …

X-ray dark-field signal reduction due to hardening of the visibility spectrum

F De Marco, J Andrejewski, T Urban… - … on Medical Imaging, 2023 - ieeexplore.ieee.org
X-ray dark-field imaging enables a spatially-resolved visualization of ultra-small-angle X-ray
scattering. Using phantom measurements, we demonstrate that a material's effective dark …

Bottom-up Gold Filling of Trenches in Curved Wafers

D Josell, D Raciti, T Gnaupel-Herold… - Journal of The …, 2024 - iopscience.iop.org
The development of a bottom-up Au filling process and its extension to high aspect ratio
trenches and vias in gratings etched into the surfaces of 100 mm Si wafers has been …

Advancing x-ray dark-field imaging for human-scale applications: helical CT and surview imaging

J Haeusele, C Schmid, M Viermetz… - … 2024: Physics of …, 2024 - spiedigitallibrary.org
Dark-field imaging with x-rays is a novel interferometric technique that enables visualization
of the alveolar structure. In the clinical context, the technique has been limited to …

[PDF][PDF] Bottom-up Gold Filling of Trenches in Curved Wafers

M Sakamoto, H Yamaguchi, K Noda - 2024 - researchgate.net
Methods Elasticity for curved silicon substrates.—Electrochemical processing is used to Au
fill arrays of trenches etched in one surface of a Si wafer to create a Au-filled grating …

Development of the first human-scale dark-field computed tomography system

MP Viermetz - 2022 - mediatum.ub.tum.de
Computed tomography (CT) can profit from extension with dark-field imaging to access more
tissue properties, such as microstructural texture or porosity. This requires the integration of …

Dunkelfeldbildgebung und Computertomographie

F Pfeiffer, K Willer, M Viermetz, D Pfeiffer - Die Radiologie, 2023 - Springer
Einleitung Für eine Untersuchung der Mikrostruktur von Geweben reicht die räumliche und
Kontrastauflösung konventioneller planarer oder computertomographischer …