Si-based Micro Hollow Cathode Discharges : from Fabrication to Application
International audience
Mechanisms and dynamics of unipolar arcs in magnetized plasmas
Post-mortem analyses suggest that arcs in contact with metallic walls are the main cause of impurities and dust formation in tokamaks [1,2]. Such dust and impurities represent important operational and safety issues for next-step fusion devices like ITER and DEMO. If dipolar arcs, which occur in between adjacent Plasma Facing Components (PFCs), are...
Cell repellent coatings on inner walls of tubes by means of transporting discharge in atmospheric pressure.
We report a method to obtain biocompatible PEG copolymer coatings inside High Density Polyethylene (HDPE) and Pyrex tubes, which was successfully developed by using a transporting discharge. The latter being a dry process, it is easier to apply as compared to the conventional multistep wet chemical techniques. The results presented in this paper sh...
Selective growth of Cu2O and metallic Cu by atomic layer deposition on ZnO and their application in optoelectronics
Dans ce travail, après l’état de l’art et la présentation de méthodes de synthèse et d’analyse, nous présentons des résultats sur la croissance sélective de Cu2O et Cu métallique par dépôt par couche atomique (ALD) sur ZnO, ZnO dopé à l’Al (AZO) et α-Al2O3. Nous mettons en évidence la possibilité de déposer de façon sélective Cu métallique ou Cu2O,...
Characterizations and first plasma operation of the WEST load-resilient actively cooled ICRF launchers
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The paper discusses the characterization of the three high power steady-state and load-resilient ICRF launchers of WEST before their installation in the tokamak. These launchers have been characterized and validated in low-power experiments (milliwatt range) as well as in experiments at the nominal RF voltages and currents in the TITAN vacuum chamb...
RF Network Analysis of the WEST ICRH Antenna with the Open-Source Python scikit-rf Package
$Scikit$-$rf$ is an open-source Python package developed for RF/Microwave engineering. The package provides a modern, object-oriented library for network analysis and calibration which is both flexible and scalable. Besides offering standard microwave network physics and operations, it is also capable of advanced operations such as interpolating be...
Spectroscopic study of the neutral gas temperature of silicon based DC MHCD in various gases close to atmospheric pressu...
International audience
A Comprehensive Diagnostic Study of a DC Positive Column in O2: a test-bed for models of plasmas in a diatomic gas
Despite many decades of study, models of discharges in molecular gases still lack accurate data on many key col-lisional processes, both in the gas phase and on surfaces, necessary for reliable predictive modeling. Good data is lacking for electron-impact dissociation, surface recom-bination, reactions with metastables, gas heating mecha-nisms, ene...
Broadband cw-terahertz spectroscopy for characterizing reactive plasmas
International audience
APPARATUS AND METHODS FOR GENERATING REACTIVE GAS WITH GLOW DISCHARGES
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