Nonlocal electron kinetics and excited state densities in a magnetron discharge in argon

The densities of argon metastable (3)P(2), and resonance (1)P(1), (3)P(1) states were measured along a cylindrical magnetron discharge radius by absorption spectroscopy using a narrow bandwidth single mode diode laser. The theoretical treatment includes calculations of the rates of numerous excitati...

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Published in:Physical review. E, Statistical, nonlinear, and soft matter physics Statistical, nonlinear, and soft matter physics, 2002-04, Vol.65 (4 Pt 2B), p.046401-046401
Main Authors: Porokhova, I A, Golubovskii, Yu B, Csambal, C, Helbig, V, Wilke, C, Behnke, J F
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container_end_page 046401
container_issue 4 Pt 2B
container_start_page 046401
container_title Physical review. E, Statistical, nonlinear, and soft matter physics
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creator Porokhova, I A
Golubovskii, Yu B
Csambal, C
Helbig, V
Wilke, C
Behnke, J F
description The densities of argon metastable (3)P(2), and resonance (1)P(1), (3)P(1) states were measured along a cylindrical magnetron discharge radius by absorption spectroscopy using a narrow bandwidth single mode diode laser. The theoretical treatment includes calculations of the rates of numerous excitation and decay processes based on nonlocal electron kinetics, and analysis of the transport equations for the resonance and metastable atoms. The solution technique of the Biberman-Holstein equation of radiation transport is developed in conformity with magnetron discharge geometry. The radial profile of the effective lifetime is obtained, taking into account radiation escape on the inner and outer electrodes. The distinction in formations of the radial profiles of the resonance and metastable atoms caused by specifics of radiation transport and diffusion is demonstrated. The results of experiments and calculations are compared.
doi_str_mv 10.1103/PhysRevE.65.046401
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title Nonlocal electron kinetics and excited state densities in a magnetron discharge in argon
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