Abstract
In this study, a zeolite-gas discharge system (ZGDS) with a microporous dielectric cathode was examined according to the physical properties of cold non-equilibrium plasma and discharge mode. The discharge emission intensity (DEI) in the UV, visible and near IR ranges (330–850 nm) generated by a planar Ar-driven ZGDS and the possibility of enhancing DEI in a wide range of gas pressure pg up to one atmosphere (10–760 Torr) for given properties of a microporous zeolite cathode (MZC) has been studied. Interesting results on the discharge emission amplification for different gas-discharge gap dg (45–250 μm) in ambient air and Ar-driven ZGDS are presented for the first time to our knowledge. Electrons entering the discharge gap with microporous and multichannel structure of the MZC are multiplied in the electric field by the avalanche mechanism, so that the current and DEI increase in the discharge gap of the ZGDS. We studied the relative DEI to evaluate the enhanced performance of the ZGDS as a source of stable discharge emission in a wide range of pg up to one atmosphere.
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