Phase imaging of irradiated foils at the OMEGA EP facility using phase-step** X-ray Talbot–Lau deflectometry

G Perez-Callejo, V Bouffetier, L Ceurvorst… - High Power Laser …, 2023 - cambridge.org
Diagnosing the evolution of laser-generated high energy density (HED) systems is
fundamental to develop a correct understanding of the behavior of matter under extreme …

TIA: A forward model and analyzer for Talbot interferometry experiments of dense plasmas

G Pérez-Callejo, V Bouffetier, L Ceurvorst… - Physics of …, 2022 - pubs.aip.org
Interferometry is one of the most sensitive and successful diagnostic methods for plasmas.
However, owing to the design of most common interferometric systems, the wavelengths of …

[HTML][HTML] Current advances on Talbot–Lau x-ray imaging diagnostics for high energy density experiments

MP Valdivia, G Perez-Callejo, V Bouffetier… - Review of Scientific …, 2022 - pubs.aip.org
Talbot–Lau x-ray interferometry is a refraction-based diagnostic that can map electron
density gradients through phase-contrast methods. The Talbot–Lau x-ray deflectometry …

[HTML][HTML] Talbot-Lau x-ray deflectometer: Refraction-based HEDP imaging diagnostic

MP Valdivia, D Stutman, C Stoeckl… - Review of Scientific …, 2021 - pubs.aip.org
Talbot-Lau x-ray interferometry has been implemented to map electron density gradients in
High Energy Density Physics (HEDP) experiments. X-ray backlighter targets have been …

Single-shot grating-based phase-contrast imaging of a micrometer sample at a laser-driven X-ray backlighter source

B Akstaller, S Schreiner, F Hofmann… - Journal of …, 2021 - iopscience.iop.org
A single-shot x-ray phase-contrast imaging technique with short exposure time allows to
capture sharp images of fast dynamic processes despite low absorption contrast. We …

[HTML][HTML] Noise reduction for single-shot grating-based phase-contrast imaging at an X-ray backlighter

S Schreiner, B Akstaller, L Dietrich, P Meyer… - Journal of …, 2021 - mdpi.com
X-ray backlighters allow the capture of sharp images of fast dynamic processes due to
extremely short exposure times. Moiré imaging enables simultaneously measuring the …

[HTML][HTML] Tunable, nonmechanical, fractional Talbot illuminators

CM Gómez-Sarabia, J Ojeda-Castañeda - Optics, 2023 - mdpi.com
Inside an optical Fourier processor, we inserted a varifocal system to continuously magnify
the frequency of a master grating. The proposed system does not involve any mechanical …

Tunable Lau effect: optical frequency swee**

CM Gómez-Sarabia, J Ojeda-Castañeda - Optics Communications, 2023 - Elsevier
For controlling the visibility of the Lau patterns, we disclose the use of a zoom system that
implements a zero-throw, tunable magnification of the source grating. The zoom system …

Microstructured layered targets for improved laser-induced x-ray backlighters

S Sander, T Ebert, D Hartnagel, M Hesse, X Pan… - Physical Review E, 2021 - APS
We present the usage of two-layer targets with laser-illuminated front-side microstructures
for x-ray backlighter applications. The targets consisted of a silicon front layer and copper …

Referenceless, grating-based, single shot X-ray phase contrast imaging with optimized laser-driven K-α sources

V Bouffetier, G Pérez-Callejo, D Stutman, C Stoeckl… - Optics …, 2024 - opg.optica.org
With its ability to efficiently probe low-Z materials, X-ray phase imaging methods have
recently raised high interest in multiple fields from biology and medical applications to high …