The characterization of a laser‐produced negative‐hydrogen‐ion plasma
作者:
W. Gekelman,
V. Vanek,
A. Y. Wong,
期刊:
Journal of Applied Physics
(AIP Available online 1978)
卷期:
Volume 49,
issue 6
页码: 3049-3058
ISSN:0021-8979
年代: 1978
DOI:10.1063/1.325320
出版商: AIP
数据来源: AIP
摘要:
The parameters of a plasma produced by irradiation of alkali hydride targets with a ruby‐laser pulse are experimentally measured. Positive‐ and negative‐ion abundances are determined with a quadrupole mass analyzer. Electron temperature was measured with rapidly swept Langmuir probes. Negative (H−) ion temperature was obtained using the mass analyzer and focusing grids. The electron density near the target was determined by optical holography. The quantity of negative ions produced per laser pulse make the source attractive for the future development of high‐energy neutral‐beam systems.
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