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Proceedings Paper

Processes In A Lithium Negative Ion Source
Author(s): M. W. McGeoch
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Paper Abstract

Calculations are presented on continuous plasma generation by the optical pumping of a supersonic lithium beam. The plasma density is computed as a function of pump intensity on the Li(2s-2p) and Li(2p-3d) transitions. The factors affecting Li- generation are considered.. It is found that modest optical pump powers allow the generation of Li currents at up to 10 mA cm-2, at approximately unity ratio of electrons to Li- ions.

Paper Details

Date Published: 25 July 1989
PDF: 5 pages
Proc. SPIE 1061, Microwave and Particle Beam Sources and Directed Energy Concepts, (25 July 1989); doi: 10.1117/12.951845
Show Author Affiliations
M. W. McGeoch, Avco Research Laboratory, Inc. (United States)


Published in SPIE Proceedings Vol. 1061:
Microwave and Particle Beam Sources and Directed Energy Concepts
Howard E. Brandt, Editor(s)

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