Probing Properties of Cold Radiofrequency Plasma with Polymer Probe

TL;DR

This paper introduces a polymer-based probe for characterizing cold radiofrequency plasmas, enabling estimation of Debye length and charge carrier concentration, with results aligning with established methods.

Contribution

The novel polymer probe allows non-invasive measurement of cold plasma properties, including Debye length, in closed chambers, expanding capabilities for plasma diagnostics.

Findings

Estimated Debye length and charge carrier concentration match existing methods.

Probe successfully tested in various gas pressures.

Allows plasma characterization in confined environments.

Abstract

The probe intended for the characterization of cold plasma is introduced. The probe allows estimation of the Debye length of the cold plasma. The probe is based on the pronounced modification of surface properties (wettability) of polymer films by cold plasmas. The probe was tested with the cold radiofrequency inductive air plasma discharge. The Debye length and the concentration of charge carriers were estimated for various gas pressures. The reported results coincide reasonably with the corresponding values established by other methods. The probe makes possible measurement of characteristics of cold plasmas in closed chambers.