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Observation and Modeling of Optical Emission Patterns and Their Transitions in a Penning Discharge

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Author(s): C. C. Klepper | R. C. Hazelton | F. Barakat | M. D. Keitz | J. P. Verboncoeur

Journal: International Journal of Plasma Science and Engineering
ISSN 1687-6245

Volume: 2008;
Date: 2007;
Original page

ABSTRACT
A Penning discharge tube has been used as the excitation source for optical detection of gaseous species concentrations in a neutral gas. This type of diagnostic has been primarily used in magnetic fusion energy experiments for the detection of minority species in the effluent gas (e.g., for helium detection in a deuterium background). Recent innovations (US Patent no. 6351131, granted February 26, 2002) have allowed for extension of the operation range from
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