Methods of coherent X-ray diffraction imaging

PA Prosekov, VL Nosik, AE Blagov - Crystallography reports, 2021 - Springer
Methods of coherent X-ray diffraction imaging of the spatial structure of noncrystalline
objects and nanocrystals (nanostructures) are considered. Particular attention is paid to the …

[PDF][PDF] Single-pulse phase-contrast imaging at free-electron lasers in the hard X-ray regime

J Hagemann, M Vassholz, H Hoeppe… - Journal of …, 2021 - journals.iucr.org
X-ray free-electron lasers (XFELs) have opened up unprecedented opportunities for time-
resolved nano-scale imaging with X-rays. Near-field propagation-based imaging, and in …

Extreme focusing of hard X-ray free-electron laser pulses enables 7 nm focus width and 1022 W cm2 intensity

J Yamada, S Matsuyama, I Inoue, T Osaka, T Inoue… - Nature …, 2024 - nature.com
By illuminating matter with bright and intense light, researchers gain insights into material
composition and properties. In the regime of extremely short wavelengths, X-ray free …

High-speed and wide-field nanoscale table-top ptychographic EUV imaging and beam characterization with a sCMOS detector

W Eschen, C Liu, DS Penagos Molina, R Klas… - Optics …, 2023 - opg.optica.org
We present high-speed and wide-field EUV ptychography at 13.5? nm wavelength using a
table-top high-order harmonic source. Compared to previous measurements, the total …

High-resolution ptychographic imaging at a seeded free-electron laser source using OAM beams

M Pancaldi, F Guzzi, CS Bevis, M Manfredda, J Barolak… - Optica, 2024 - opg.optica.org
Electromagnetic waves possessing orbital angular momentum (OAM) are powerful tools for
applications in optical communications, quantum technologies, and optical tweezers …

Single-shot ptychography at a soft X-ray free-electron laser

K Kharitonov, M Mehrjoo, M Ruiz-Lopez, B Keitel… - Scientific Reports, 2022 - nature.com
In this work, single-shot ptychography was adapted to the XUV range and, as a proof of
concept, performed at the free-electron laser FLASH at DESY to obtain a high-resolution …

Ptychographic wavefront characterization for single-particle imaging at x-ray lasers

BJ Daurer, S Sala, MF Hantke, HKN Reddy, J Bielecki… - Optica, 2021 - opg.optica.org
A well-characterized wavefront is important for many x-ray free-electron laser (XFEL)
experiments, especially for single-particle imaging (SPI), where individual biomolecules …

Flexible ptychography platform to expand the potential of imaging at free electron lasers

K Kharitonov, M Mehrjoo, M Ruiz-Lopez, B Keitel… - Optics express, 2021 - opg.optica.org
Ptychography, a scanning coherent diffraction imaging method, can produce a high-
resolution reconstruction of a sample and, at the same time, of the illuminating beam. The …

The evolution of kaos, a multipurpose active optics system for euv/soft x-rays

M Manfredda, C Fava, S Gerusina… - Synchrotron …, 2022 - Taylor & Francis
KAOS, the Kirkpatrick-Baez Active Optical System, is the flagship optical system of FERMI,
the first—and presently only—fully seeded Free Electron Laser facility in the world. KAOS …

[HTML][HTML] Aberration characterization of x-ray optics using multi-modal ptychography and a partially coherent source

TEJ Moxham, D Laundy, V Dhamgaye, OJL Fox… - Applied Physics …, 2021 - pubs.aip.org
Ptychography is a scanning coherent diffraction imaging technique that provides high-
resolution imaging and complete spatial information of the complex probe and object …