Temperature measurements of a neonZ‐pinch plasma

Autor:	F. C. Young, B. L. Welch, H. R. Griem
Rok vydání:	1993
Předmět:	Electron density education.field_of_study Population General Physics and Astronomy Implosion chemistry.chemical_element Plasma Neon chemistry Z-pinch Electron temperature Plasma diagnostics Atomic physics education
Zdroj:	Journal of Applied Physics. 74:2260-2267
ISSN:	1089-7550 0021-8979
DOI:	10.1063/1.354709
Popis:	A neon Z‐pinch plasma, appropriate for sodium/neon photopumping experiments, is studied in detail using temporally, spatially, and spectrally resolved measurements of Ne VII, Ne VIII, and Ne IX emissions. The neon is imploded with a 1 μs rise time, 150–180 kA peak current pulse. Two successive implosions are identified. The first implosion produces a 1‐mm‐diam plasma with an electron density of 9×1019 cm−3 and a temperature of 200 eV. The second implosion produces a larger diameter (3.5 mm), less dense (7×1018 cm−3) plasma with a temperature of 100 eV. A 70% Ne IX ground‐state population at the second implosion is deduced from the measurements.
Databáze:	OpenAIRE
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