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Future high-resolution imaging X-ray observatories may require detectors with both fine spatial resolution and high quantum efficiency at relatively high X-ray energies (>5keV). A silicon imaging detector meeting these requirements will…

Pixel sensors based on commercial high-voltage CMOS processes are an exciting technology that is considered as an option for the outer layer of the ATLAS inner tracker upgrade at the High Luminosity LHC. Here, charged particles are detected…

The image quality of X-ray imaging relies heavily on the X-ray output number which is dependent on the X-ray tube current and the exposure time. Hybrid X-ray imaging modalities like X-ray luminescence CT (XLCT) and X-ray fluorescence CT…

Medical Physics · Physics 2021-10-25 Ignacio O. Romero , Yile Fang , Changqing Li

Freestanding oxide films offer significant potential for integrating exotic quantum functionalities with semiconductor technologies. However, their performance is critically limited by surface roughness and interfacial imperfection caused…

Materials Science · Physics 2025-11-04 Huaicheng Yuan , Yu-Chen Liu , Li-Shu Wang , Zehao Dong , Jan-Chi Yang , Zhen Chen

The advent of X-ray free-electron lasers (XFELs) has revolutionized fundamental science, from atomic to condensed matter physics, from chemistry to biology, giving researchers access to X-rays with unprecedented brightness, coherence, and…

Mesoscale and Nanoscale Physics · Physics 2022-10-27 Nanna Zhou Hagström , Michael Schneider , Nico Kerber , Alexander Yaroslavtsev , Erick Burgos Parra , Marijan Beg , Martin Lang , Christian M. Günther , Boris Seng , Fabian Kammerbauer , Horia Popescu , Matteo Pancaldi , Kumar Neeraj , Debanjan Polley , Rahul Jangid , Stjepan B. Hrkac , Sheena K. K. Patel , Sergei Ovcharenko , Diego Turenne , Dmitriy Ksenzov , Christine Boeglin , Igor Pronin , Marina Baidakova , Clemens von Korff Schmising , Martin Borchert , Boris Vodungbo , Kai Chen , Chen Luo , Florin Radu , Leonard Müller , Miriam Martínez Flórez , André Philippi-Kobs , Matthias Riepp , Wojciech Roseker , Gerhard Grübel , Robert Carley , Justine Schlappa , Benjamin Van Kuiken , Rafael Gort , Laurent Mercadier , Naman Agarwal , Loïc Le Guyader , Giuseppe Mercurio , Martin Teichmann , Jan Torben Delitz , Alexander Reich , Carsten Broers , David Hickin , Carsten Deiter , James Moore , Dimitrios Rompotis , Jinxiong Wang , Daniel Kane , Sandhya Venkatesan , Joachim Meier , Florent Pallas , Tomasz Jezynski , Maximilian Lederer , Djelloul Boukhelef , Janusz Szuba , Krzysztof Wrona , Steffen Hauf , Jun Zhu , Martin Bergemann , Ebad Kamil , Thomas Kluyver , Robert Rosca , Michał Spirzewski , Markus Kuster , Monica Turcato , David Lomidze , Andrey Samartsev , Jan Engelke , Matteo Porro , Stefano Maffessanti , Karsten Hansen , Florian Erdinger , Peter Fischer , Carlo Fiorini , Andrea Castoldi , Massimo Manghisoni , Cornelia Beatrix Wunderer , Eric E. Fullerton , Oleg G. Shpyrko , Christian Gutt , Cecilia Sanchez-Hanke , Hermann A. Dürr , Ezio Iacocca , Hans T. Nembach , Mark W. Keller , Justin M. Shaw , Thomas J. Silva , Roopali Kukreja , Hans Fangohr , Stefan Eisebitt , Mathias Kläui , Nicolas Jaouen , Andreas Scherz , Stefano Bonetti , Emmanuelle Jal

The keyhole phenomenon has been widely observed in laser materials processing, including laser welding, remelting, cladding, drilling, and additive manufacturing. Keyhole-induced defects, primarily pores, dramatically affect the performance…

Label-free tomographic optical imaging inside scattering media is important for medical diagnosis, biological science, colloidal physics, and device inspection. An outstanding challenge is that the ground-truth structure is often unknown,…

Optics · Physics 2023-12-29 Zeyu Wang , Yiwen Zhang , Chia Wei Hsu

Soft-X-ray ARPES (SX-ARPES) with its enhanced probing depth and chemical specificity allows access to fundamental electronic structure characteristics - momentum-resolved spectral function, band structure, Fermi surface - of systems…

Mesoscale and Nanoscale Physics · Physics 2018-02-06 Vladimir N. Strocov , Claudia Cancellieri , Andrey S. Mishchenko

In situ synchrotron X-ray computed tomography enables dynamic material studies. However, automated segmentation remains challenging due to complex imaging artefacts - like ring and cupping effects - and limited training data. We present a…

A recent and unexpected discrepancy between \textit{ab initio} simulations and the interpretation of a laser shock experiment on aluminum, probed by X-ray Thomson scattering (XRTS), is addressed. The ion-ion structure factor deduced from…

Plasma Physics · Physics 2020-11-19 J. Clerouin , P. Arnault , G. Robert , C. Ticknor , J. Kress , L. Collins

The physics of orbital angular momentum (OAM) carrying light has been well-defined since the 1990s. Leveraging its physical phenomena has become a significant focus in various areas of research. For instance, OAM is applied in hybrid…

Optics · Physics 2025-08-08 Junsu Kim , Jiyeon Baek , Hyunchae Chun , Seung Ryong Park

The Segment Anything Model (SAM) can achieve satisfactory segmentation performance under high-quality box prompts. However, SAM's robustness is compromised by the decline in box quality, limiting its practicality in clinical reality. In…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Yuhao Huang , Xin Yang , Han Zhou , Yan Cao , Haoran Dou , Fajin Dong , Dong Ni

Despite the considerable progress in automatic abdominal multi-organ segmentation from CT/MRI scans in recent years, a comprehensive evaluation of the models' capabilities is hampered by the lack of a large-scale benchmark from diverse…

Image and Video Processing · Electrical Eng. & Systems 2022-09-05 Yuanfeng Ji , Haotian Bai , Jie Yang , Chongjian Ge , Ye Zhu , Ruimao Zhang , Zhen Li , Lingyan Zhang , Wanling Ma , Xiang Wan , Ping Luo

Resonance anomalous surface x-ray scattering (RASXS) technique was applied to electrochemical interface studies. It was used to determine the chemical states of electrochemically formed anodic oxide monolayers on platinum surface. It is…

Synthesizing realistic images involves computing high-dimensional light-transport integrals. In practice, these integrals are numerically estimated via Monte Carlo integration. The error of this estimation manifests itself as conspicuous…

Graphics · Computer Science 2022-04-06 Vassillen Chizhov , Iliyan Georgiev , Karol Myszkowski , Gurprit Singh

Mesoscale simulations of woven composites using parameterized analytical geometries offer a way to connect constituent material properties and their geometric arrangement to effective composite properties and performance. However, the…

Materials Science · Physics 2023-02-21 Collin W. Foster , Lincoln N. Collins , Francesco Panerai , Scott A. Roberts

CMOS Pixel Sensors tend to become relevant for a growing spectrum of charged particle detection instruments. This comes mainly from their high granularity and low material budget. However, several potential applications require a higher…

This work introduces a novel Augmented Reality (AR) approach to visualize material data alongside real objects in order to facilitate detailed material analyses based on spatial non-destructive testing (NDT) data as generated in X-ray…

Human-Computer Interaction · Computer Science 2024-04-22 Alexander Gall , Anja Heim , Patrick Weinberger , Bernhard Fröhler , Johann Kastner , Christoph Heinzl

A tightly focused pulsed laser can locally modify the crystal structure inside the bulk of a scintillator. The result is incorporation of so-called optical barriers with a refractive index (RI) different from that of the crystal bulk, that…

Medical Physics · Physics 2018-07-11 Lisa Bläckberg , Georges El Fakhri , Hamid Sabet

With the continuing advances in scientific instrumentation, scanning microscopes are now able to image physical systems with up to sub-atomic-level spatial resolutions and sub-picosecond time resolutions. Commensurately, they are generating…

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