Spatially resolved measurement of hydroxyl (OH) radical concentration in a microwave plasma jet by planar laser-induced fluorescence

Spatially resolved measurement of hydroxyl (OH) radical concentration in a microwave plasma jet by planar laser-induced fluorescence

The spatially resolved concentration of OH radicals in the effluent of a microwave (MW) surfatron plasma jet was measured by planar laser-induced fluorescence. Two cases were compared – constant MW power and MW power modulated by 80 Hz. In both cases the maximal concentration was at the tip of the v...

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Veröffentlicht in:Open Chemistry 2015-01, Vol.13 (1)
Hauptverfasser: Voráč, Jan, Hnilica, Jaroslav, Kudrle, Vít, Dvořák, Pavel
Format: Artikel
Sprache:eng
Schlagworte:
LIF
modulated microwave power
OH
spectroscopy
surfatron
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Zusammenfassung:The spatially resolved concentration of OH radicals in the effluent of a microwave (MW) surfatron plasma jet was measured by planar laser-induced fluorescence. Two cases were compared – constant MW power and MW power modulated by 80 Hz. In both cases the maximal concentration was at the tip of the visible discharge, but for constant MW power the OH was spread over a larger volume. The maximum concentration in both cases was on the order of 10 m
ISSN:2391-5420
2391-5420
DOI:10.1515/chem-2015-0021