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Lyman-α radiation of a probing metastable hydrogen beam to measure electric fields in diluted fluids and plasmasa)
a)Paper GI3 1, Bull. Am. Phys. Soc. 57, 109 (2012).
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10.1063/1.4801510
/content/aip/journal/pop/20/5/10.1063/1.4801510
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/5/10.1063/1.4801510
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Lifetime of level (solid line, left scale, ) and resonance amplification factor (dashed line, right scale) versus frequency of the perturbing field.

Image of FIG. 2.
FIG. 2.

Schematic view of the apparatus: Hydrogen plasma source with ion beam extraction lenses, Cs vapor charge exchange chamber, interaction chamber, Lyman-α detection chamber.

Image of FIG. 3.
FIG. 3.

Lyman-α emission versus static potential applied between the plates, for the probing ion beam without conversion in Cs cell; solid line is a parabola fitted to the data; source pressure and discharge current .

Image of FIG. 4.
FIG. 4.

(a) Lyman-α emission and ion beam current versus pressure for a static potential applied between the plates of 50 V; (b) mass spectrometer measurement of the ion beam composition, continuous curves result from a global model of populations in the source plasma.

Image of FIG. 5.
FIG. 5.

Lyman-α emission versus static potential applied between the plates for the probing atomic beam; solid line is a parabola fitted to the data; source pressure and discharge current .

Image of FIG. 6.
FIG. 6.

Spectrum of H(2) Lyman-α radiation measured for a fixed RF amplitude of 1 V; source pressure and discharge current .

Image of FIG. 7.
FIG. 7.

Lyman-α emission versus radiofrequency potential applied between the plates with an atomic beam; solid line, a parabola fitted to the data; source pressure and discharge current .

Image of FIG. 8.
FIG. 8.

(a) Lyman-α emission versus position between two parallel plates; (b)Electric field measured in a plasma sheath with a H(2) probe beam; source pressure and discharge current .

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/content/aip/journal/pop/20/5/10.1063/1.4801510
2013-04-15
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Lyman-α radiation of a probing metastable hydrogen beam to measure electric fields in diluted fluids and plasmasa)
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/5/10.1063/1.4801510
10.1063/1.4801510
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