Measurement of the Stark broadening parameters of some singly ionized argon lines

Details Measurement of the Stark broadening parameters of some singly ionized argon lines Measurement of the Stark broadening parameters of some singly ionized argon lines

Feb 1970

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1970zphy..235...35k&link_type=abstract

Zeitschrift für Physik, Volume 235, Issue 1, pp.35-43

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16

Scientific paper

Half-widths of fifteen Stark broadened argon II lines have been measured in argon plasma behind the reflected shock wave produced in an electromagnetically driven “ T” tube. The plasma electron density was determined by the laser interferometry at three different wavelengths, while the plasma temperature was measured from relative intensities of A II lines. Temperatures were in the range 8,500 16,500 °K; electron densities varied from 1.82 to 3.94 · 1017 cm-3. The measured A II linewidths are compared with theoretical and other experimental results. It is shown that a) the broadening of A II lines is in good agreement with the theory, b) line broadening increases linearly with electron density, and c) the Stark broadened lines follow the dispersion profile to the distance of at least three halfwidths from the line center.

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