Speaker
Maria Mazzaglia
Description
See the full Abstract at http://ocs.ciemat.es/EPS2018ABS/pdf/P2.1011.pdf
Application of Optical Emission Spectroscopy to Hydrogen plasmas for
proton rich plasmas generation
M. Mazzaglia1, G. Castro1, D. Mascali1, R. Reitano1,2, L.Celona1, E. Naselli1,2, L.Neri1,
G. Torrisi1 and S. Gammino1
1
INFN – Laboratori Nazionali del Sud, Catania, Italy
2
Università degli studi di Catania, Catania, Italy
The evaluation of the electron density and proton fraction of hydrogen plasmas has a relevant
importance for plasma traps used as sources of intense proton, H2+ or H3+ beams. Optical
Emission Spectroscopy (OES) enables to evaluate simultaneously and on-line the H/H2
relative abundances together with plasma and electron temperature. In this work, the
experimental results of the OES measurements on the Proton Source of the European
Spallation Source plasma has been related to the properties of the ion beam extracted by the
source (proton fraction and beam intensity, in particular). Benefit of the diagnostics and the
further improvements foreseen in next future will be highlighted.
