Characterization of a Microwave-Induced Atmospheric-Pressure Ar-N2 Plasma Pencil. Rosario, L., M., D., Lee, H., V., Penafiel, E., Ramos, H., J., Bo-Ot, L., M., T., Fischer, R., V., & Tumlos, R., B. IEEE Transactions on Plasma Science, 45(2):301-309, 2017. abstract bibtex © 2017 IEEE.A microwave-induced atmospheric-pressure plasma pencil was developed with an Ar-N2 gas mixture supplied to a coaxial transmission line. High-frequency simulation showed sufficient high electric field at the tip of the inner conductor, which resulted to automatic plasma ignition and a stable operation. The dependence of the characteristics of the plasma pencil from Ar and N2 gas flow rates was extensively studied. At moderate Ar gas flow rates, the plasma pencil can be operated at several tens of watts to achieve a near room-temperature and centimeter-long Ar-N2 plasma plume with OH and NO radicals as active species. Optical emission spectroscopy was also used to determine the vibrational and rotational temperatures of the plasma pencil. The vibrational temperature of N2 from the second positive system (2PS) can be obtained at moderate gas flow rates, since there was a good linear fitting with the Boltzmann distribution. At these gas flow rates, the vibrational and rotational temperatures of N2 from 2PS were found to be 0.42 and 0.29 eV, respectively.
@article{
title = {Characterization of a Microwave-Induced Atmospheric-Pressure Ar-N2 Plasma Pencil},
type = {article},
year = {2017},
identifiers = {[object Object]},
keywords = {Cold atmospheric plasmas (CAPs),plasma diagnostics,plasma sources},
pages = {301-309},
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abstract = {© 2017 IEEE.A microwave-induced atmospheric-pressure plasma pencil was developed with an Ar-N2 gas mixture supplied to a coaxial transmission line. High-frequency simulation showed sufficient high electric field at the tip of the inner conductor, which resulted to automatic plasma ignition and a stable operation. The dependence of the characteristics of the plasma pencil from Ar and N2 gas flow rates was extensively studied. At moderate Ar gas flow rates, the plasma pencil can be operated at several tens of watts to achieve a near room-temperature and centimeter-long Ar-N2 plasma plume with OH and NO radicals as active species. Optical emission spectroscopy was also used to determine the vibrational and rotational temperatures of the plasma pencil. The vibrational temperature of N2 from the second positive system (2PS) can be obtained at moderate gas flow rates, since there was a good linear fitting with the Boltzmann distribution. At these gas flow rates, the vibrational and rotational temperatures of N2 from 2PS were found to be 0.42 and 0.29 eV, respectively.},
bibtype = {article},
author = {Rosario, Leo Mendel D. and Lee, H. V. and Penafiel, Emil and Ramos, Henry J. and Bo-Ot, Luis Ma T. and Fischer, Reinhard V. and Tumlos, Roy B.},
journal = {IEEE Transactions on Plasma Science},
number = {2}
}
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