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Summary form only given. A fast-pulsed, UV laser-initiated, RF-sustained high pressure plasma source has been developed and optimized for more efficient large volume (ges1000 cc), high pressure plasma generation. We have shown that during the tast-pulsed plasma formation, the plasma load impedance as seen by the helical antenna varies significantly from 0.5+j125 Omega to 4.0+j130 Omega on short time...
In this paper, a detailed diagnostic of an AC glow-to-arc discharge transition is presented. The behavior of the temporal evolution of voltage and current discharges is studied under an atmosphere of helium-methane. In order to determine the rotational temperature, an optical emission-spectroscopy analysis from glow-to-arc regime discharge is carried out, where the OH and bands, respectively, which...
Summary form only given. Plasma jets expanding from a remote thermal plasma source, such as DC arc or RF induction plasma torches, into a low pressure chamber are attractive for industrial applications in material processing, e.g. fast deposition of new materials. To develop such an application, the reliable information about crucial parameters of the plasma jet such as the kinetic temperature is...
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