Title :
Spectra emitted by helium excited by corona discharge
Author :
Bonifaci, N. ; Denat, A. ; Atrazhev, V.M. ; Shakhatov, V.A. ; von Haeften, K. ; Eloranta, J.
Author_Institution :
G2Elab, CNRS, Grenoble, France
Abstract :
Spectra obtained in corona discharge in liquid and in gaseous Helium are under contrastive analysis. The spectra observed in LHe are emitted by excited atoms surrounded empty cavities (bubbles). The spectra emitted in gaseous gas under high pressure have asymmetric profile due to strong perturbation of radiating atom surrounded by perturbers.
Keywords :
corona; excited states; helium neutral molecules; liquid helium; plasma diagnostics; spectral line breadth; visible spectra; He2; asymmetric profile; contrastive analysis; corona discharge; empty cavities; excited atoms; gaseous helium; high pressure; liquid helium; radiating atom perturbation; spectra; Atomic measurements; Cavity resonators; Corona; Discharges; Helium; Ionization; Shape; atomic spectra; bubbles in liquid He; corona discharge in liquid Helium; line shapes;
Conference_Titel :
Dielectric Liquids (ICDL), 2011 IEEE International Conference on
Conference_Location :
Trondheim
Print_ISBN :
978-1-4244-7352-6
Electronic_ISBN :
2153-3725
DOI :
10.1109/ICDL.2011.6015491