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Temperature Measurements In A Manufactured Rf Plasma Jet In Various Ar/N$_{2}$ Mixtures, Mohammad Nasir Rostami Ravari, Alireza Ganjovi, Farideh Shojaei, Amir Falahat
Temperature Measurements In A Manufactured Rf Plasma Jet In Various Ar/N$_{2}$ Mixtures, Mohammad Nasir Rostami Ravari, Alireza Ganjovi, Farideh Shojaei, Amir Falahat
Turkish Journal of Physics
In this paper, using the optical emission spectroscopy technique, a comparative study is performed on the argon excitation and nitrogen vibrational temperatures in the plasma discharge medium of a manufactured RF plasma jet. The argon contribution in the Ar/N$_{2}$ mixture is varied from 70% to 98% and the obtained optical emission spectra from argon and molecular nitrogen are analyzed. The highest emission intensities of neutral argon (Ar I) are recorded in the wavelength range of 790-850 nm. It is seen that, at the higher argon percentages in the mixture, the emission intensity from all the formed species in the plasma …