Experimental setup and visual view of the plasma jet.
Lissajous diagram showing the voltage-charge variation in DBD plasma jet (a) pure Ar, (b) 0.05%, and (c) 0.76%.
ICCD images of plasma afterglow in Ar gas at . Time, presented in the left corners of the images, is related to moment where the current of the discharge reaches maximum value.
Axial emission spectra of the jet in Ar and mixtures with 0.05% and 0.76% . The input power is fixed on 12.8 W. Spectra are shifted for better representations.
Peak emission intensity of excited species as a function of water content in the discharge (fixed power of 12.8 W).
Space resolved OES of plasma (0.76% ) along with comparison of space resolved intensity of Ar, OH, and lines.
Logarithm of intensity ratio for different Ar lines as a function of considering correction for photon absorption.
Fitting of the experimental and simulated spectrum of OH radical. , , emission has been recorded in the position 5 mm after the edge of the capillary, pure Ar, and .
Boltzmann plot of the OH (0-0) transition in plasma of mixture containing 0.05% of water.
Most intensive emission lines which detected in axial spectra of the jet.
The space resolved OH rotational temperature for Ar and mixtures determined by the Boltzmann plot technique. Error of the method is ±50 K.
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