Diode laser-aided diagnostics of a low-pressure dielectric barrier discharge applied in element-selective detection of molecular species (CROSBI ID 96198)
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Podaci o odgovornosti
Kunze, Kerstin ; Miclea, Michaela ; Musa, Geavit ; Franzke, Joachim ; Vadla, Čedomil ; Niemax, Kay
engleski
Diode laser-aided diagnostics of a low-pressure dielectric barrier discharge applied in element-selective detection of molecular species
A small, low-pressure dielectric barrier discharge used as a detector for the analysis of halogenated hydrocarbons was studied by diode laser absorption spectroscopy of excited plasma atoms. The distribution, as well as diffusion of the excited atoms, was measured with high spatialand temporalr esolution. The major part of the excited atoms was found in a very narrow discharge volume, where the maximum gas temperature and electron density, determined from broadening of the absorption line profiles, were approximately 1000 K and greater than 10^15 cm^(-3), respectively.
dielectric barrier discharge; diode laser absorption spectrometry; plasma diagnostics; halogenated hydrocarbons
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