Experimental characterization of the active and passive fast-ion H-alpha emission in W7-X using FIDASIM

PZ Poloskei, B Geiger, AJ van Vuuren… - Nuclear …, 2023 - iopscience.iop.org
This paper presents the first results from the analysis of Balmer-alpha spectra at
Wendelstein 7-X which contain the broad charge exchange emission from fast-ions. The …

Collisional kinetics of non-uniform electric field, low-pressure, direct-current discharges in H2

AV Phelps - Plasma Sources Science and Technology, 2011 - iopscience.iop.org
A model of the collisional kinetics of energetic hydrogen atoms, molecules and ions in pure
H 2 discharges is used to predict H α emission profiles and spatial distributions of emission …

Energetic ion, atom, and molecule reactions and excitation in low-current discharges: Model

AV Phelps - Physical Review E—Statistical, Nonlinear, and Soft …, 2009 - APS
Models of the elastic, inelastic, and reactive collisions of energetic hydrogen ions, atoms,
and molecules are developed for predicting H α and H 2 near-uv emission, H α Doppler …

Excessive Balmer line broadening in a plane cathode abnormal glow discharge in hydrogen

N Cvetanović, MM Kuraica, N Konjević - Journal of applied physics, 2005 - pubs.aip.org
Results of a Doppler spectroscopy study of the hydrogen Balmer alpha line in an abnormal
glow discharge operated in pure hydrogen are reported. Measurements of line shapes are …

[HTML][HTML] Tungsten Material Behavior under H2, D2, and He Plasma Interaction Conditions in the Framework of Fusion-Relevant Studies

C Stancu, V Marascu, A Bonciu, A Bercea, SD Stoica… - Materials, 2023 - mdpi.com
In the current study, bulk tungsten material surfaces are exposed to hydrogen, deuterium,
and helium plasmas in the radiofrequency domain (13.56 MHz) at an input power of 250 W …

Emission of fast hydrogen atoms at a plasma–solid interface in a low density plasma containing noble gases

O Marchuk, C Brandt, A Pospieszczyk… - Journal of Physics B …, 2017 - iopscience.iop.org
The source of the broad radiation of fast hydrogen atoms in plasmas containing noble gases
remains one of the most discussed problems relating to plasma–solid interface. In this …

Excessive hydrogen and deuterium Balmer lines broadening in a hollow cathode glow discharges

NM Šišović, GL Majstorović, N Konjević - The European Physical Journal …, 2005 - Springer
Results of a Doppler spectroscopy study of hydrogen and deuterium Balmer lines in the
stainless steel and copper hollow cathode glow discharge, operated in pure hydrogen …

[HTML][HTML] In situ measurements of the spectral reflectance of metallic mirrors at the Hα line in a low density Ar–H plasma

S Dickheuer, O Marchuk, C Brandt… - Review of Scientific …, 2018 - pubs.aip.org
The efficient and reliable control and monitoring of the quality of the optical properties of
mirrors is an open problem in laboratory plasmas. Until now, the measurement of the …

Monte Carlo simulation for excessive Balmer line broadening generated by transport of fast H Atoms in an abnormal glow discharge

N Cvetanović, BM Obradović, MM Kuraica - Journal of Applied Physics, 2009 - pubs.aip.org
Monte Carlo code for fast hydrogen atom transport and generating of excessively Doppler
broadened profiles based on the collision model is presented. Results for the initial …

Spectroscopic determination of H, He, and H2 temperatures in a large-scale microwave plasma source

E Tatarova, FM Dias, CM Ferreira, N Puač - Journal of applied physics, 2007 - pubs.aip.org
Emission spectroscopy was used for the diagnostic of a large-scale, slot antenna excited
microwave plasma source operating in pure hydrogen and in helium-hydrogen and argon …