Abstract

Stark profiles of spectral lines corresponding to the transitions between Rydberg levels and low lying levels of atoms can serve as sensitive detectors of electric fields in a plasma. We report the development of a method for measurements of electric fields in glow discharge plasmas, based on Stark spectroscopy of argon atoms. The key feature of the method is that the electric field is determined by matching experimentally obtained spectra of absorption of laser radiation to theoretically calculated spectra.

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