Thursday 10
E. Low Pressure Plasmas and Applications
Chair: P. Brault, M. Mikikian - Each talk is 10'+2' duration
› 10:40 - 10:50 (10min)
› Blaise
Electrostatic Probe and Laser Photodetachment Measurements in the Hydrogen Negative Ion (H-) Source "Prometheus I"
Spyridon Aleiferis  1, 2, *@  , Panagiotis Svarnas  1@  , Ioannis Tsiroudis  1@  , Stéphane Béchu  2@  , Ana Lacoste  2@  , Marthe Bacal  3@  
1 : High Voltage Laboratory, Electrical and Computer Engineering Departement, University of Patras  (HVL)  -  Website
26504 Rion -  Greece
2 : Laboratoire de Physique Subatomique et de Cosmologie  (LPSC)  -  Website
CNRS : UMR5821, IN2P3, Université Joseph Fourier - Grenoble I, Institut Polytechnique de Grenoble - Grenoble Institute of Technology
53 avenue des Martyrs - 38026 Grenoble Cedex -  France
3 : Laboratoire de Physique des Plasmas  (LPP)  -  Website
Polytechnique - X, Université Pierre et Marie Curie (UPMC) - Paris VI, CNRS : UMR7648, Université Paris XI - Paris Sud, Université Pierre et Marie Curie [UPMC] - Paris VI
* : Corresponding author

In this work, the negative ion source Prometheus I, installed in the University of Patras, is presented. The plasma is sustained by five dipolar electron cyclotron resonance sources and characterized by means of electrostatic probe and laser photo-detachment technique. The source configuration and the installed diagnostic techniques are herein discussed. Indicative results of the plasma produced are then analyzed. Hot and cold electron populations are generated and negative ion densities in the order of magnitude 10^9 cm^-3 are measured for the conditions tested.


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