Influence of impurities on pre-breakdown phenomena in the gas phase of discharge lamps containing mercury

Author:

Bergmann G.1

Affiliation:

1. Philips GmbH Forschungslaboratorium, Aachen

Abstract

The influence of various gaseous impurities (N2, H2, CO2 , H2O, Xe) on the breakdown voltage of argon and its Penning mixture with mercury has been investigated using an electrodeless high-frequency method. The breakdown voltage of the Penning mixture is shown to be more sensitive to these impurities than that of pure argon. The increase of the breakdown voltage observed in (argon + mercury) mixtures containing small amounts of impurities can be interpreted as being due to quenching collisions between argon metastables and impurity particles.

Publisher

SAGE Publications

Subject

Electrical and Electronic Engineering,Atomic and Molecular Physics, and Optics

Reference6 articles.

1. Waymouth, J.F., Electric discharge lamps, MIT Press ( 1971), p. 184.

2. Brown, S.C., Handbuch der Physik, vol. 22, Springer Verlag (1956), p. 531.

3. Nasser, E., Fundamentals of gaseous ionization and plasma electronics, Wiley (1971), p. 367.

4. De‐excitation cross sections of metastable argon by various atoms and molecules

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2. From Basic Research to Application;Electron–Molecule Interactions and their Applications;1984

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4. Effects of impurity gases on lamp starting mechanism;Journal of Light & Visual Environment;1978

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