activity
20242026
collaborators

5 papers

physics.optics2026

Free-form diamond refractive optics enable efficient high-energy X-ray nano-imaging

Aknur Karabay, Xianbo Shi, Frank Seiboth +4

Full-field transmission X-ray microscopy (TXM) enables nondestructive three-dimensional imaging of thick and strongly absorbing materials with high spatial resolution. Such capabil…

cond-mat.mtrl-sci2025

X-ray linear dichroic orientation tomography: reconstruction of nanoscale three-dimensional orientation fields

Andreas Apseros, Valerio Scagnoli, Manuel Guizar-Sicairos +3

Properties in crystalline and ordered materials tend to be anisotropic, with their orientation affecting the macroscopic behavior and functionality of materials. The ability to ima…

cs.LG2025

Diffusion Active Learning: Towards Data-Driven Experimental Design in Computed Tomography

Luis Barba, Johannes Kirschner, Tomas Aidukas +2

We introduce Diffusion Active Learning, a novel approach that combines generative diffusion modeling with data-driven sequential experimental design to adaptively acquire data for…

physics.optics2024

Single-shot X-ray ptychography as a structured illumination method

Abraham Levitan, Klaus Wakonig, Zirui Gao +4

Single-shot ptychography is a quantitative phase imaging method wherein overlapping beams of light arranged in a grid pattern simultaneously illuminate a sample, allowing a full pt…

physics.med-ph2024

Fast Small-Angle X-ray Scattering Tensor Tomography: An Outlook into Future Applications in Life Sciences

Christian Appel, Margaux Schmeltz, Irene Rodriguez-Fernandez +18

Small Angle-X-ray Scattering Tensor Tomography (SAS-TT) is a relatively new, but powerful technique for studying the multiscale architecture of hierarchical structures, which is of…