Observations of x-ray spectra from highly charged tungsten ions in tokamak plasmas

R Neu, KB Fournier, D Schlögl… - Journal of Physics B …, 1997 - iopscience.iop.org
X-ray spectra in the range 7-10 Å from highly charged tungsten (Z= 74) ions were observed
in the tokamak ASDEX Upgrade. Lines emitted from to were identified by comparison with …

Spectral lines from highly charged tungsten ions in the soft-X-ray region for quantitative diagnostics of fusion plasmas

R Neu, KB Fournier, D Bolshukhin, R Dux - Physica Scripta, 2001 - iopscience.iop.org
X-ray spectra in the range from 5.5 to 19 Å from highly charged tungsten (Z= 74) ions were
recorded in the tokamak ASDEX Upgrade from plasma discharges with electron …

Highly charged tungsten spectra observed from JT-60U plasmas at Te≈ 8 and 14 keV

J Yanagibayashi, T Nakano, A Iwamae… - Journal of Physics B …, 2010 - iopscience.iop.org
We observe the vacuum ultraviolet spectra of highly charged tungsten ions in plasmas at
electron temperatures of 8 keV and 14 keV. The plasmas are produced by a tokamak JT …

X ray and EUV spectroscopic measurements of highly charged tungsten ions relevant to fusion plasmas

R Radtke, C Biedermann, P Mandelbaum… - Journal of Physics …, 2007 - iopscience.iop.org
Using high-resolution x ray and extreme ultraviolet (EUV) spectrometry, the line emission of
W 28+-W 50+ ions was measured at the Berlin Electron Beam Ion Trap (EBIT). Our study …

Soft X-ray bands of highly ionized tungsten, gold and lead emitted by the TEXT tokamak plasma

M Finkenthal, LK Huang, S Lippmann, HW Moos… - Physics Letters A, 1988 - Elsevier
Spectra of highly ionized tungsten, gold and lead emitted from the TEXT tokamak have been
recorded in the 20–70 Å range by means of a grazing incidence, time-resolving …

Spectroscopy of highly charged tungsten ions relevant to fusion plasmas

C Biedermann, R Radtke, R Seidel, T Pütterich - Physica Scripta, 2009 - iopscience.iop.org
The Berlin electron beam ion trap (EBIT) has been established by the Max-Planck-Institut für
Plasmaphysik to generate atomic physics data in support of research in the field of …

High-resolution tungsten spectroscopy relevant to the diagnostic of high-temperature tokamak plasmas

J Rzadkiewicz, Y Yang, K Kozioł, MG O'Mullane… - Physical Review A, 2018 - APS
The x-ray transitions in Cu-and Ni-like tungsten ions in the 5.19–5.26 Å wavelength range
that are relevant as a high-temperature tokamak diagnostic, in particular for JET in the ITER …

Disentangling the emissions of highly ionized tungsten in the range 4–14 nm

T Pütterich, R Neu, C Biedermann… - Journal of Physics B …, 2005 - iopscience.iop.org
In this work EBIT measurements in the spectral range of 4–7 nm with electron energies from
0.7 keV to 4 keV are compared in detail with tokamak spectra from ASDEX Upgrade. The …

On the interpretation of the intense emission of tungsten ions at about 5 nm

V Jonauskas, S Kučas, R Karazija - Journal of Physics B: Atomic …, 2007 - iopscience.iop.org
The origin of the intense emission band at about 5 nm, dominating the emission spectra of
tungsten ions in the ASDEX Upgrade tokamak and EBIT, is discussed. It is shown that the …

Interpretation of spectral emission in the 20 nm region from tungsten ions observed in fusion device plasmas

C Suzuki, CS Harte, D Kilbane, T Kato… - Journal of Physics B …, 2011 - iopscience.iop.org
We have measured extreme ultraviolet spectra from tungsten ions in the 20 nm region in
plasmas produced in the Large Helical Device at the National Institute for Fusion Science …