A simple method for the optogalvanic detection of argon ion transitions in hollow-cathode lamps |
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| Authors: | C G S Costa J V B Gomide A Scalabrin A Mirage |
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| Institution: | 1. Instituto de Física Gleb Wataghin, UNICAMP, C. Postal 6165, 13081, Campinas, SP, Brazil
2. Comiss?o Nacional de Energia Nuclear, Instituto de Pesquisas Energéticas e Nucleares, C. Postal 11049 (Pinheiros), 05499, S?o Paulo, SP, Brazil
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| Abstract: | Summary We describe a simple method for the observation of argon ion transitions in hollow-cathode lamps, using the optogalvanic effect,
and report the first optogalvanic detection of the six ArII transitions: 457.9 nm, 476.5 nm, 488.0 nm, 496.5 nm, 501.7 nm
and 514.5 nm. We also study the optogalvanic signal as a function of the incident laser power and the lamp current.
Partial financial support of CNPq and FINEP (Brazil). |
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| Keywords: | Atomic and molecular measurement and techniques |
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