DR. Johannes Hagemann
Center for X-ray and Nano Science CXNS, Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany
Phase Contrast Imaging with X-rays
Reconstruction algorithms
Helmholtz Imaging Projects
2021: SmartPhase - Smart X-ray phase retrieval for multi-scale material systemsPublications
Artifact-suppressing reconstruction of strongly interacting objects in X-ray near-field holography without a spatial support constraint
Dora J, Möddel M, Flenner S, Schroer C, Knopp T, Hagemann J - Optics Express - 2024
Hard X-ray full-field nanoimaging using a direct photon-counting detector
Flenner S, Hagemann J, Wittwer F, Longo E, Kubec A, Rothkirch A, David C, Müller M, Greving I - Journal of Synchrotron Radiation - 2023
Simultaneous imaging and diffraction in the dynamic diamond anvil cell
Husband R, Hagemann J, O’Bannon E, Liermann H, Glazyrin K, Sneed D, Lipp M, Schropp A, Evans W, Jenei Z - Review of Scientific Instruments - 2022
Phase retrieval framework for direct reconstruction of the projected refractive index applied to ptychography and holography
Wittwer F, Hagemann J, Brückner D, Flenner S, Schroer C - Optica - 2022