X-ray backlighter requirements for refraction-based electron density diagnostics through Talbot-Lau deflectometry
Abstract
We report that Talbot-Lau x-ray interferometers can map electron density gradients in High Energy Density (HED) samples. In the deflectometer configuration, it can provide refraction, attenuation, elemental composition, and scatter information from a single image. X-ray backlighters in Talbot-Lau deflectometry must meet specific requirements regarding source size and x-ray spectra, amongst others, to accurately diagnose a wide range of HED experiments. 8 keV sources produced in the high-power laser and pulsed power environment were evaluated as x-ray backlighters for Talbot-Lau x-ray deflectometry. In high-power laser experiments, K-shell emission was produced by irradiating copper targets (500 × 500 × 12.5 μm3 foils, 20 μm diameter wire, and >10 μm diameter spheres) with 30 J, 8-30 ps laser pulses and a 25 μm copper wire with a 60 J, 10 ps laser pulse. In the pulsed power environment, single (2 × 40 μm) and double (4 × 25 μm) copper x-pinches were driven at ~1 kA/ns. Lastly, moiré fringe formation was demonstrated for all x-ray sources explored, and detector performance was evaluated for x-ray films, x-ray CCDs, and imaging plates in context of spatial resolution, x-ray emission, and fringe contrast.
- Authors:
-
- Johns Hopkins Univ., Baltimore, MD (United States)
- Pontificia Universidad Católica de Chile, Santiago (Chile)
- Univ. of Rochester, NY (United States)
- CNRS CEA, Ecole Polytechnique (France)
- Russian Academy of Sciences, Moscow (Russia)
- Université de Bordeaux-CNRS-CEA, CELIA, Talence (France)
- Publication Date:
- Research Org.:
- Johns Hopkins Univ., Baltimore, MD (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1502138
- Alternate Identifier(s):
- OSTI ID: 1479133
- Grant/Contract Number:
- NA0002955
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Review of Scientific Instruments
- Additional Journal Information:
- Journal Volume: 89; Journal Issue: 10; Journal ID: ISSN 0034-6748
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Citation Formats
Valdivia, Maria Pia, Veloso, Felipe, Stutman, Dan, Stoeckl, Christian, Mileham, Chad, Begishev, Ildar A., Theobald, Wolfgang, Vescovi, Milenko, Useche, Wilmer, Regan, Sean P., Albertazzi, Bruno, Rigon, Gabriel, Mabey, Paul, Michel, Thibault, Pikuz, Sergey A., Koenig, Michel, and Casner, Alexis. X-ray backlighter requirements for refraction-based electron density diagnostics through Talbot-Lau deflectometry. United States: N. p., 2018.
Web. doi:10.1063/1.5039342.
Valdivia, Maria Pia, Veloso, Felipe, Stutman, Dan, Stoeckl, Christian, Mileham, Chad, Begishev, Ildar A., Theobald, Wolfgang, Vescovi, Milenko, Useche, Wilmer, Regan, Sean P., Albertazzi, Bruno, Rigon, Gabriel, Mabey, Paul, Michel, Thibault, Pikuz, Sergey A., Koenig, Michel, & Casner, Alexis. X-ray backlighter requirements for refraction-based electron density diagnostics through Talbot-Lau deflectometry. United States. https://doi.org/10.1063/1.5039342
Valdivia, Maria Pia, Veloso, Felipe, Stutman, Dan, Stoeckl, Christian, Mileham, Chad, Begishev, Ildar A., Theobald, Wolfgang, Vescovi, Milenko, Useche, Wilmer, Regan, Sean P., Albertazzi, Bruno, Rigon, Gabriel, Mabey, Paul, Michel, Thibault, Pikuz, Sergey A., Koenig, Michel, and Casner, Alexis. Thu .
"X-ray backlighter requirements for refraction-based electron density diagnostics through Talbot-Lau deflectometry". United States. https://doi.org/10.1063/1.5039342. https://www.osti.gov/servlets/purl/1502138.
@article{osti_1502138,
title = {X-ray backlighter requirements for refraction-based electron density diagnostics through Talbot-Lau deflectometry},
author = {Valdivia, Maria Pia and Veloso, Felipe and Stutman, Dan and Stoeckl, Christian and Mileham, Chad and Begishev, Ildar A. and Theobald, Wolfgang and Vescovi, Milenko and Useche, Wilmer and Regan, Sean P. and Albertazzi, Bruno and Rigon, Gabriel and Mabey, Paul and Michel, Thibault and Pikuz, Sergey A. and Koenig, Michel and Casner, Alexis},
abstractNote = {We report that Talbot-Lau x-ray interferometers can map electron density gradients in High Energy Density (HED) samples. In the deflectometer configuration, it can provide refraction, attenuation, elemental composition, and scatter information from a single image. X-ray backlighters in Talbot-Lau deflectometry must meet specific requirements regarding source size and x-ray spectra, amongst others, to accurately diagnose a wide range of HED experiments. 8 keV sources produced in the high-power laser and pulsed power environment were evaluated as x-ray backlighters for Talbot-Lau x-ray deflectometry. In high-power laser experiments, K-shell emission was produced by irradiating copper targets (500 × 500 × 12.5 μm3 foils, 20 μm diameter wire, and >10 μm diameter spheres) with 30 J, 8-30 ps laser pulses and a 25 μm copper wire with a 60 J, 10 ps laser pulse. In the pulsed power environment, single (2 × 40 μm) and double (4 × 25 μm) copper x-pinches were driven at ~1 kA/ns. Lastly, moiré fringe formation was demonstrated for all x-ray sources explored, and detector performance was evaluated for x-ray films, x-ray CCDs, and imaging plates in context of spatial resolution, x-ray emission, and fringe contrast.},
doi = {10.1063/1.5039342},
journal = {Review of Scientific Instruments},
number = 10,
volume = 89,
place = {United States},
year = {Thu Oct 25 00:00:00 EDT 2018},
month = {Thu Oct 25 00:00:00 EDT 2018}
}
Web of Science
Figures / Tables:
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Works referencing / citing this record:
Characterization of high spatial resolution lithium fluoride X-ray detectors
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Figures / Tables found in this record: