Techniques for soft x‐ray absorption in laser‐produced plasmas

Interest in x‐ray absorption derives from soft x‐ray transport studies to characterize laser‐solid‐interaction effects. The object of this work was to determine whether x‐ray absorption features were measurable in laser‐produced plasmas from solid targets. X‐ray emission was made using high‐atomic‐n...

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Veröffentlicht in:Review of Scientific Instruments 1990-10, Vol.61 (10), p.2741-2743
Hauptverfasser: Burkhalter, P. G., Mehlman, G., Newman, D. A., Ripin, B. H.
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container_end_page 2743
container_issue 10
container_start_page 2741
container_title Review of Scientific Instruments
container_volume 61
creator Burkhalter, P. G.
Mehlman, G.
Newman, D. A.
Ripin, B. H.
description Interest in x‐ray absorption derives from soft x‐ray transport studies to characterize laser‐solid‐interaction effects. The object of this work was to determine whether x‐ray absorption features were measurable in laser‐produced plasmas from solid targets. X‐ray emission was made using high‐atomic‐number microsphere targets irradiated with a focused beam of the Pharos laser while the laser‐solid‐interaction plasmas were generated by a second beam in Al foil targets. High‐resolution, spatially resolved x‐ray spectra were collected with instrumentation and geometry similar to previous tracer‐dot spectroscopy measurements of plasma profile parameters. Soft x‐ray absorption lines, observed at different distances from the aluminum target surface, may be related to density gradients in the laser‐generated plasmas.
doi_str_mv 10.1063/1.1141817
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subjects 70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700102 - Fusion Energy- Plasma Research- Diagnostics
ABSORPTION SPECTRA
ALUMINIUM
ELECTROMAGNETIC RADIATION
ELEMENTS
Exact sciences and technology
IONIZING RADIATIONS
LASER-PRODUCED PLASMA
METALS
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
PLASMA
PLASMA DIAGNOSTICS
RADIATIONS
SOFT X RADIATION
SPECTRA
SPECTROSCOPY
X RADIATION
X-RAY SPECTRA
X-RAY SPECTROSCOPY
title Techniques for soft x‐ray absorption in laser‐produced plasmas
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