Correlations between density distributions, optical spectra, and ion species in a hydrogen plasma (invited)
Cortázar, O. D., Megía-Macías, A., Tarvainen, O., Kalvas, T., & Koivisto, H. (2016). Correlations between density distributions, optical spectra, and ion species in a hydrogen plasma (invited). Review of Scientific Instruments, 87(2), Article 02A704. https://doi.org/10.1063/1.4931720
Published inReview of Scientific Instruments
© 2015 AIP Publishing LLC.
An experimental study of plasma distributions in a 2.45 GHz hydrogen discharge operated at 100 Hz repetition rate is presented. Ultrafast photography, time integrated visible light emission spectra, time resolved Balmer-alpha emission, time resolved Fulcher Band emission, ion species mass spectra, and time resolved ion species fraction measurements have been implemented as diagnostic tools in a broad range of plasma conditions. Results of plasma distributions and optical emissions correlated with H + , H + 2 , and H + 3 ion currents by using a Wien filter system with optical observation capability are reported. The magnetic field distribution and strength is found as the most critical factor for transitions between different plasma patterns and ion populations.
PublisherAmerican Institute of Physics
Publication in research information system
MetadataShow full item record
Showing items with similar title or keywords.
Time resolved measurements of hydrogen ion energy distributions in a pulsed 2.45 GHz microwave plasma Megía-Macías, A.; Cortázar, O. D.; Tarvainen, Olli; Koivisto, Hannu (AIP Publishing LLC, 2017)A plasma diagnostic study of the Ion Energy Distribution Functions (IEDFs) of H+, H+2H2+, and H+3H3+ ions in a 2.45 GHz hydrogen plasma reactor called TIPS is presented. The measurements are conducted by using a Plasma Ion ...
The relationship between visible light emission and species fraction of the hydrogen ion beams extracted from 2.45 GHz microwave discharge Cortázar, O. D.; Megía-Macías, A.; Tarvainen, Olli; Kalvas, Taneli; Koivisto, Hannu (American Institute of Physics, 2015)The relationship between Balmer-α and Fulcher-band emissions with extracted H + , H + 2 , and H + 3 ions is demonstrated for a 2.45 GHz microwave discharge. Ion mass spectra and optical measurements of Balmer-α ...
A study of VUV emission and the extracted electron-ion ratio in hydrogen and deuterium plasmas of a filament-driven H−/D− ion source Komppula, J.; Tarvainen, O.; Kalvas, T.; Koivisto, H.; Myllyperkiö, P.; Toivanen, V. (AIP Publishing LLC, 2019)Vacuum ultraviolet (VUV) emission diagnostics for studying differences of electron impact processes in hydrogen and deuterium plasmas are presented. The method is applied to study a filament driven multicusp arc discharge ...
Komppula, Jani (University of Jyväskylä, 2015)
ALICE Collaboration (American Physical Society, 2020)This article reports measurements of the pT-differential inclusive jet cross section in pp collisions at √s=5.02TeV and the pT-differential inclusive jet yield in Pb-Pb 0–10% central collisions at √sNN=5.02TeV. Jets were ...