Abstract

A Plasma ion analyzer for measuring mass, density and temperature of ions in a multi-ion species plasma has been developed. The analyzer is a simple and compact mass spectrometer where the magnetic field confining a plasma is used directly for the 180° magnetic deflection of accelerated ions. The numerical simulations of the analyzer characteristics provide the useful guiding principles for the data analysis as well as the optimum analyzer design. The test measurements of a two-ion species plasma has been made, and the results are in good agreement with the theoretical predictions and the spectroscopic measurements.

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