Relations between light emission and electron density and temperature fluctuations in a helium plasma

作者: Shuiliang Ma , John Howard , Nandika Thapar

DOI: 10.1063/1.3620403

关键词:

摘要: The relations between three atomic lines, He I 667.8 nm (31D → 21P), 706.5 (33S 23P), and 728.1 (31S the underlying fluctuations in a helium plasma are investigated for quantitative interpretation of optical observations fluctuation measurements. Frequency dependent amplitude ratios phase delays line emission electron density temperature calculated based on quasi-static collisional-radiative model linear approximation technique. For frequencies up to upper limit practical interest (<1 MHz), similar those directly evaluated by model. It is found that difference results from technique due absence metastable fluctuations. Contributions 21S 23S analyze...

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