Search Results - "Valdivia, M P"
-
1
An x-ray backlit Talbot-Lau deflectometer for high-energy-density electron density diagnostics
Published in Review of scientific instruments (01-02-2016)“…X-ray phase-contrast techniques can measure electron density gradients in high-energy-density plasmas through refraction induced phase shifts. An 8 keV…”
Get more information
Journal Article -
2
Phase imaging of irradiated foils at the OMEGA EP facility using phase-stepping X-ray Talbot–Lau deflectometry
Published in High power laser science and engineering (01-01-2023)“…Diagnosing the evolution of laser-generated high energy density (HED) systems is fundamental to develop a correct understanding of the behavior of matter under…”
Get full text
Journal Article -
3
Unravelling Visible and X-Ray Interferometry Data: The TNT Code
Published in 2023 IEEE International Conference on Plasma Science (ICOPS) (21-05-2023)“…We present TNT, a code designed to postprocess and analyze interferometry images. TNT works by detecting the main peaks in the Fourier spectra of the…”
Get full text
Conference Proceeding -
4
Investigation into the dynamics of laser-cut foil X-pinches and their potential use for high repetition rate operation
Published in Applied physics letters (14-07-2014)“…We report on results from experiments using laser-cut X shaped foils (or foil X-pinches) driven by the 250 kA, 150 ns rise-time GenASIS Linear Transformer…”
Get full text
Journal Article -
5
The Talbot-Lau X-Ray Deflectometer: A Refraction-Based Plasma Diagnostic
Published in 2018 IEEE International Conference on Plasma Science (ICOPS) (24-06-2018)“…Talbot-Lau X-ray Deflectometry (TXD) has been developed as an electron density diagnostic for High Energy Density (HED) plasmas. The diagnostic delivers…”
Get full text
Conference Proceeding -
6
Talbot-Lau x-ray density diagnostic for High Energy Density plasmas
Published in 2015 IEEE 26th Symposium on Fusion Engineering (SOFE) (01-05-2015)“…Phase-contrast x-ray diagnostics can detect density gradients in low-Z matter with the sensitivity and spatial resolution required in High Energy Density (HED)…”
Get full text
Conference Proceeding -
7
Assessment of the Renal Function in Potential Donors of Living Kidney Transplants: Expanded Study
Published in Transplantation proceedings (01-11-2015)“…Abstract Introduction It is very important to determine as accurately as possible the renal function in potential living renal transplant donors, especially…”
Get full text
Journal Article -
8
Referenceless, grating-based, single shot X-ray phase contrast imaging with optimized laser-driven K-α sources
Published in Optics express (23-09-2024)“…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…”
Get full text
Journal Article -
9
Characterization of High Energy Density Laboratory Plasmas Through X-Ray Interferometry
Published in 2023 IEEE International Conference on Plasma Science (ICOPS) (21-05-2023)“…The advent of mid-scale pulsed-power and high-intensity ultra-fast lasers have enabled the development of intense x-ray and particle sources, warm dense…”
Get full text
Conference Proceeding -
10
Development of an x-ray Talbot-Lau moiré deflectometer for fast density profile measurements of dense plasmas generated by beam-target interactions
Published in 2015 IEEE Pulsed Power Conference (PPC) (01-05-2015)“…For the first time an x-ray Talbot-Lau moiré deflectometer is being developed that will use a flash tube source and fast detector for dynamic density gradient…”
Get full text
Conference Proceeding -
11
Talbot-Lau moire x-ray diagnostic for high energy density plasmas
Published in 2014 IEEE 41st International Conference on Plasma Sciences (ICOPS) held with 2014 IEEE International Conference on High-Power Particle Beams (BEAMS) (01-05-2014)“…Summary form only given. Phase-contrast x-ray diagnostics can detect density gradients in low-Z matter with the sensitivity and spatial resolution necessary to…”
Get full text
Conference Proceeding -
12
Talbot-Lau X-ray Deflectometer electron density diagnostic for laser and pulsed power high energy density plasma experiments
Published in IEEE transactions on plasma science (21-04-2016)“…Talbot-Lau X-ray Deflectometry has been developed as an electron density diagnostic for High Energy Density plasmas. The technique can deliver x-ray…”
Get full text
Journal Article -
13
Development of Talbot-Lau phase-contrast method for high energy density plasma diagnostics
Published in 2013 IEEE 25th Symposium on Fusion Engineering (SOFE) (01-06-2013)“…Phase-contrast x-ray imaging techniques can detect density gradients in low-Z matter with the sensitivity and spatial resolution necessary to characterize High…”
Get full text
Conference Proceeding -
14
Examination of X-pinch dynamics using a low current (25kA) and slower rising (400ns) pulse
Published in 2013 Abstracts IEEE International Conference on Plasma Science (ICOPS) (01-06-2013)“…Summary form only given. We present results examining the dynamics of low current (25kA), long rise-time (400 ns) X-pinches. These are the lowest parameters…”
Get full text
Conference Proceeding -
15
X-ray and optical observations of the dynamics of a compact fast capillary discharge with potential as a soft X-ray source
Published in 2012 Abstracts IEEE International Conference on Plasma Science (01-07-2012)“…Summary form only given. A series of observations using soft X-rays and optical techniques diagnose key plasma parameters in a low inductance large aspect…”
Get full text
Conference Proceeding -
16
Hollow Cathode Electron Beam Formation and Effects on X-Ray Emission in Capillary Discharges
Published in IEEE transactions on plasma science (01-08-2015)“…Electron beams produced by the hollow cathode effect are studied in a compact gas filled 24-kV, 5-kA capillary discharge. The characteristics and role of…”
Get full text
Journal Article -
17
Capillary discharge as a table-top soft xray source
Published in 2011 Abstracts IEEE International Conference on Plasma Science (01-06-2011)“…Summary form only given. Soft x-ray emission characteristics from a compact pulsed capillary ns discharge are described for a hollow cathode discharge…”
Get full text
Conference Proceeding -
18
Considerations of a high repitition Capillary Discharge operated in nitrogen as a water-window X-ray microscope source
Published in 2009 IEEE Pulsed Power Conference (01-06-2009)“…The capillary discharge is a very bright radiation source. When operated as a ns discharge at a peak current of order 10 kA and at a high repetition rate of…”
Get full text
Conference Proceeding